These aren't ordinary pedals. The P1 pedal is a simple, intelligent and uncompromising design that provides the same proven PowerTap accuracy and reliability. The simple one-piece design easily mounts to any crank and does not require calibration nor installation angle setting, providing a true “plug-and-play” experience. The P1 also features dual band ANT+ and Bluetooth SMART for compatibility with a multitude of head units and smart devices. Plus, the independent measurement opens the possibility for a new set of pedaling metrics previously unavailable to help give you the ultimate competitive edge.
Some equipment makes your bike faster. Some makes you faster! PowerTap’s proven, 325-gram PowerTap G3 Hub does both. Make the most of your time on the bike — nail your intervals, stay within your targeted zones for long rides, and track your Training Stress Score (TSS) and Chronic Training Load (CTL) for long-term gains and reaching your goals. The low-profile G3 hub is made of light, durable aluminum with wide flange spacing for a great wheel. The G3 is accurate to within +/-1.5%, and is ANT+ capable for use with your favorite compatible cycling computer (sold separately). Plus, all the electronics are held within a small, easily removed outer cap.
Planet Bike's amazing Protegé 9.0 is perfect for riders who want maximum information with minimal fuss. It boasts the important functions you expect like average speed, a speed comparator, a dual odometer so you can use it on 2 bikes, and it displays temperature, too. You can see any 5 of these on its easy-to-read 4-line display. The 9.0 installs easily on your handlebars.
Between its large screen and easy wireless setup, CatEye's Padrone is great for those who want a simple, squint-free riding computer. Its packed with essential features like speed, distance, and time, plus the auto start/stop means you'll always have an accurate ride time and distance for tracking your progress.
Garmin’s Edge 810 can do pretty much everything, short of pedal your bike for you. Sure, this water-resistant wonder has great metrics like speed, distance, ride time, ANT+ compatibility with power meters and heart rate straps, as well as the best mapping and routing on a bike computer. But, what really sets this unit apart can be summed up in two words: real time. It syncs with your smartphone via Bluetooth to enable live tracking, so you can share your ride data with friends, loved ones, or teammates as you ride. Let all your friends on social media know just how hard you're crushing it. This wireless connection also works the other way: create a course online or view your past workouts and — with the Garmin Connect app — you can easily send them to your 810 for use during a ride, or against a virtual partner to race against your previous efforts. You can also download new courses onto your 810, and receive turn-by-turn navigation as you ride. It even has real-time weather updates. Plus, with its optional, highly-detailed street and topographical maps, the Edge 810 is perfect for touring, commuting, or any other activity where onboard maps and navigation are required.
Topeak's RideCase and mount lets you use your iPhone 6 or 6 Plus as a cycling computer, as a GPS navigating device, to listen to music, and so much more while you're cruising the open road. The RideCase has a separate protective composite fiber panel which integrates with the high-grade engineering plastic exoskeleton to securely hold your iPhone while on the go. An integrated flipstand allows comfortable viewing in landscape or portrait orientation when you're off the bike. Its unique and full angle adjustable mount allows viewing in landscape or portrait orientation and lets you mount or remove the RideCase in seconds.
Planet Bike's Protegé 5.0 is a great, no-nonsense computer. You want to know how fast you’re going, or how far you've ridden, or the time? It’s right there in big, bold numbers. In fact, this clever computer displays 4 readings at once so you have the data you need at a glance. The 5.0 mounts easily on your handlebars.
$24.99 - $25.00
The Smartphone Caddy II is designed to securely hold iPhone 6, 6s, SE, 5, 4.7" Android Devices, and most smartphones with protective cases. Don't waste time prying your smartphone out of bulky holders or changing between cycling specific phone cases. The Smartphone Holder features a durable elasticated bungee for easy in/out access of your device. Although engineered to withstand heavy road vibrations and other bumps, the secure bungee is still stretch friendly. Delta understands that your handlebars are very precious real estate. That is why they include a stem cap and handlebar mounting bracket with each Smartphone Holder. A clever ratcheting system on each mounting bracket allows you to adjust the viewing angle of your device. Protect your device from rain, sweat, etc.. with the included waterproof baggy. Touchscreen is still accessible while your smartphone is in the bag. A securing cam lock adds additional security to your device during those extra bumpy moments. Compatibility: - Devices/cases up to a maximum: 5.5 x 2.9 x .625 inches (H x W x D) - Handlebars up to 1-3/8-inch diameter
Keep your bars clean and clutter-free with CatEye's Strada Wireless. Its large screen displays the essentials such as speed, distance, ride time, pace, and more. No wires means a simple, sleek look and easy, hassle-free assembly. Plus, a bright backlight ensures you can see your ride data even in the dim daylight hours of an early morning ride or an evening commute home.
Planet Bike's super Protegé 9.0 is perfect for riders who want maximum information with minimal fuss. It's wireless for an ultra-clean look and easy installation on your handlebars. And, its large easy-to-read display shows the 5 functions you choose in 4 lines. It also provides the important functions you expect like average speed, a speed comparator, a dual odometer so you can use it on 2 bikes, and it reads the temperature, too.
Go the extra mile. Edge 25 captures essential ride stats, including time, distance, speed, total ascent and location. When paired with a heart rate strap (sold separately), it records your heart rate and heart rate zone so you’ll know when you hit your target (also providing more accurate information on calories burned during your ride). Edge 25 offers all the necessary stats to take your ride to the next level. Small in size, yet packed with features such as smart notifications when paired with a smartphone. Choose from courses ridden by others or create your own on Garmin Connect, Garmin's free online community. Once you choose a course, upload it directly to Edge 25 and follow it to your destination. You can even compete against yourself to make it more interesting. Via Bluetooth with your smartphone or a simple connection to a computer, you can upload your activities to Garmin Connect and see the path you traveled on a map, analyze it, share it and view details. Bluetooth also allows Live Tracking, so friends and family can follow your ride in real time. Invite followers using email or social media, which lets them view your live data on Garmin Connect. Compete against other cyclists on Garmin Connect segments and see your results post-ride on the leaderboard. Includes on-device alerts for segment start/finish points. Edge 25 lets you know how fast/far you’re riding. ANT+ sensors (sold separately), let you track cadence, as well as indoor speed and distance. Edge 25 uses GPS/GLONASS satellites to track how far/fast and where you ride, even under dense tree cover. Unlike a phone, you can use Edge 25 for up to 8 hours without worrying about data or battery drainage. - Tracks time, distance and speed, and heart rate ((heart rate transmitter sold separately) - Plan, download and follow new rides - Save, plan and share your activities at Garmin Connect - Water-resistant, durable device - Connected features, for instant data upload and LiveTrack
Clear up your stem or handlebars with PowerTap's Bar Fly for Joul mount, which conveniently places your Joule or Joule GPS (both sold separately) in front of your bars for easy access, great viewing and a streamlined look. This quality mount is made of a tough plastic for light weight and durability. It's easy to attach and fits most handlebars. Its narrow band takes up hardly any space on your bars.
Check out the ultra-sleek Micro Wireless from CatEye! With no wires to clutter up your bike, it's a stealthy computer with 10 functions that's ready to tally your data on every ride. It's got a nice LED backlight, auto power-saving mode, pace arrow, and more; the Micro Wireless is a smart little unit that delivers all the information you need. Plus, it can be configured for 2 different tire sizes allowing you to switch the head from bike to bike (requires second wireless sensor and fork mount; both sold separately).
Take control of your rides with CatEye's fully customizable Micro Wireless. This sleek, lightweight computer lets you choose which exact metrics you want to see while your riding, including speed, time, pace, distance, and more. A bright backlight makes low light riding possible, and the auto start/stop feature keeps your eyes on the road and your fingers off the computer when you come to stop lights. Wireless technology ensures your bike looks clean, simple, and clutter-free. All you have to do is mount the speed sensor, mount the computer, and go.
Track your efforts to step up a level with CatEye's sleek, lightweight, race-ready Stealth evo+. This wireless computer uses ANT+ technology to display the speed, cadence, heart rate, and left/right leg power percentages, all measured from your favorite ANT+ device (sold separately). Use it mid-ride to stay on pace, then download your data afterwards for home analysis and find out where you have room for improvement. The Stealth evo+ is GPS-equipped so you can scrutinize your ride with your preferred training and mapping services. An optional auto start/stop keeps your mind on the road instead of on your computer every time you come to a red light. Other key features include a programmable full time backlight, programmable odometer, a USB-rechargeable Li-ion battery, and altimeter. Declutter your bars and get the most out of all your rides with the Stealth evo+.
Intuitive interface in a compact size combined with ANT+ Digital Speed and Cadence to eliminate wires and interference • Easy set-up programming for simple installation • Automatic functions create an extremely intuitive interface • Digitally coded signal eliminates interference or cross talk w/ other electronics • Wireless speed and cadence, maximum, average • Optional Heart Rate with ANT+ HR transmitter sold separately • Odometer, trip meter • Small in size, yet big digits for easy viewing
PowerTap's Bluetooth Smart Dual Speed/Cadence Sensor gives you the ability to monitor your speed and cadence with your favorite Bluetooth-compatible device. It's sleek and easy to mount on your frame.
Specialized's SpeedZone Sport Wireless provides all the data you need to quantify your rides in a neat, cordless package. Its easy-to-read, double-line display lets you quickly check speed, mileage and a whole host of other important functions. Plus, the SpeedZone's easy calibration makes setup a breeze and its interface is incredibly intuitive so you can spend more time pounding out the miles than trying to figure out how far you've ridden.
Real time data, full time training: Garmin's Edge 1000 helps you connect, compare, and compete. Wireless connectivity via Bluetooth and ANT+ gives you access to on-ride competitions through Garmin Connect, Smart Notifications from your phone, and real-time segment and leaderboard updates. This module is also pre-loaded with Garmin's Cycle Map, complete with road and bike path data, elevation, points of interest, and address search. Mapping data is stored onboard the Edge 1000, so feel free to explore outside of cell coverage. The Edge 1000 features the same quality and specs you've come to expect from Garmin: a three-inch, high-resolution touchscreen, complete cycle computer functionality, GPS mapping and tracking, Virtual partner, and Advanced Workouts for customized, goal-oriented training. The rechargeable lithium-ion battery has up to 15 hours of life, and the Edge 1000 comes with traditional and out-front handlebar mounts.
Go the extra mile. Edge 20 captures essential stats from your ride, including time, distance, speed, total ascent and location. Perfect for tracking progress or mapping out your daily commute on Garmin Connect. Edge 20 offers all the necessary stats you need, without the hassle of extra gear and gadgets. Small in size, it’s easy to take anywhere, which makes it ideal for travel. No set up necessary — just power on, press start and go. Choose from courses ridden by others or create your own on Garmin Connect, Garmin's free online community. Once you choose a course, upload it directly to Edge 20 and follow it to your destination. With a simple connection to your computer, you can upload your activities and see the path you traveled on a map, analyze it, share it and view more detail. Compete against other cyclists on Garmin Connect segments and see your results post-ride on the leaderboard. Includes on-device alerts for segment start/finish points. Edge 20 uses GPS/GLONASS satellites to track distance even under dense tree cover. Unlike a phone, you can use Edge 20 for up to 8 hours without worrying about data or battery drainage. - Tracks time, distance and speed - Plan, download and follow new rides - Save, plan and share your activities at Garmin Connect - Water-resistant, durable device
Specialized's SpeedZone Sport Wireless Cadence provides all the data you need to quantify your rides in a neat package. Speed is picked up through a wireless sensor that can be mounted on your fork, and cadence is recorded with a wired sensor near your cranks. Its easy-to-read, double-line display lets you quickly check speed, mileage and a whole host of other important functions. Plus, the SpeedZone's easy calibration makes setup a breeze and its interface is incredibly intuitive so you can spend more time pounding out the miles than trying to figure out how far you've ridden.
This adjustable chest strap is compatible with Sigma's STS and Rox wireless computers.
Giant's Continuum 7 is a simple way to get the most out of your rides. It tracks seven essential functions, including distance and speed, has a large, easy-to-read display, and uses a wired sensor and handlebar mount that attaches easily to your bike.
Giant's Continuum 9W Wireless Computer is a simple way to track your numbers on the bike. The 9W shows nine essential functions, including distance and speed, on a large, easy-to-read display. Plus, it features a back light and low battery indicator.
The CycleOps ANT+ Speed or Cadence Sensor accurately tracks your speed and cadence and is used along with a power meter or with an ANT+-compatible cycling computer (power meters and ANT+ computers sold separately). This unit easily attaches on the frame next to your left crankarm and rear wheel to monitor and display your cadence or speed on your cycling computer of choice.
How fast? How far? What time? Cannondale's IQ200 computer has all the answers. This 11-function computer has all the best features, like current speed, average speed, maximum speed, odometer, and trip distances. It also has auto on/off, a trip and 12/24-hour clock, and even a calorie-consumption estimator for getting the most out of your workout. And, it's wireless!
Be a better athlete today than you were yesterday with Garmin's Forerunner 735XT. This GPS running watch with multisport features is for athletes who want dialed-in data for training and a lighter load on race day. The Forerunner 735XT lets you change things up with ease thanks to built-in activity profiles for running (indoor/outdoor), cycling (indoor/outdoor), swimming (pool/open water), cross-country skiing, paddle sports, trail running, hiking and strength training. For brick workouts and du/triathlon races, the auto multisport feature lets you switch sports with just one button press. It is compatible with advanced workouts for running, cycling — and even pool swimming. Connected features like automatic uploads to Garmin Connect, the free online fitness community, let you share your stats and triumphs through social media.
Profile Design's UCM Universal Computer Mount provides a convenient 25mm long place to mount your computer on your aero bars. It installs without tools, stays put and can be positioned as needed for easily viewing and controlling your computer.
Aerodynamic dual-bottle BTA hydration system that features a dynamic, multi-position computer mount to accommodate your changing needs. Raise the computer mount up to tuck in a refill bottle for race day, or lower it down for a standard bottle while maintaining the optimal view for training days. - Telescoping Garmin mount features on-the-go tilt adjust to avoid glare. - Zero-leak design with a sealed viewing window to easily monitor liquid levels, and a leak-free Dolphin Breather Valve that lets air in but doesn't let water out. - Capacity: 26oz (768 mL) - Material: Plate: 6061-T6 Aluminum - Cage: Nylon Composite Vee Cage - Computer Mount: Nylon Composite - Bottle: Lead free, BPA-Free and HDPE food safe certified bottle - Brackets: Nylon composite with Velcro straps coated with no-slip extension grip - Adjustment Width: 75-150mm - Weight: 9.3oz (265g)
Topeak's PanoBike Speed & Cadence Sensor turns your smartphone, tablet, or any Bluetooth Smart Ready device into your personal trainer. Install the free PanoBike app, or any other Bluetooth-enabled speed/cadence app, and this water-resistant easy-to-mount sensor will get over 1800 hours of operation at a range up to 30 feet, telling you exactly how fast you're going and how quickly you're pedaling.
Topeak's PanoBike Bluetooth Smart Heart Rate Monitor turns your smartphone, tablet, or any Bluetooth Smart Ready device into your personal trainer. With the free PanoBike app installed on your device, this water-resistant soft-sided chest strap will transmit over 1,800 hours of operation at a range up to 30 feet.
Use this Sigma docking station to easily download ride data to your computer. The docking station is compatible with Sigma's Rox models 8.0, 9.0, 8.1, and 9.1.
Sigma's PC 22.13 is a simple, reliable, and smart way to train. You can view your current heart rate, and the total number of calories burned during your workout. And, with only two buttons, the PC 22.13 is incredibly easy to use.
This transmitter kit includes a wireless fork-mounted speed sensor, a spoke magnet, and two computer mounts. This kit can be used to replace missing parts or to set up a second bike. It is compatible with ROX and STS Sigma models.
This adjustable chest strap is compatible with Sigma's line of heart rate monitors and sport computers.
This adjustable Sigma chest strap is compatible with Bluetooth-equipped heart rate monitoring devices.
Sigma Sport's STS/ROX Speed/Cadence Set includes everything needed to set up a second bike for your Sigma Sport computer. It's compatible with their ROX and STS models (computers sold separately).
BiKASE's DriKASE XL is a sealable, water-resistant wallet made of extremely durable urethane with welded seams to protect your phone from the weather and sweat. It mounts your phone on your bike and has a clear window that keeps the phone visible and operational. You can even talk on the phone while it's in the DriKASE. It attaches easily and securely to your handlebars or stem with the built-in strap. It accepts bigger phones such as the Samsung Note and Galaxy that have large cases. The phone is completely functional while in the case to talk, use apps, play music, video (clear on back), or access the touch screen or any side buttons. Plus, the mounting strap is removable so you can use the DriKASE for water and dirt protection on your ATV, dirt bike, while hiking, and for just about any other outdoor activity.
Rokform's Universal Bike Phone Mount includes everything you need to take your phone along on rides. It's a rock solid mounting system that is completely adjustable, offering stable, safe, and completely hands-free visibility and access to your phone. The Universal Phone Mount replaces your stem cap and attaches quickly and easily to any 1-1/8-inch fork. The mount is crafted from CNC-machined aluminum and uses Rokform's patented locking system for total on-the-bike phone security. The Universal Adapter that lets the phone lock into the mount simply fastens to your phone or phone case.
Turn your Smartphone into the best cycling computer available. With the DriKASE XL from BiKASE, your phone is at your fingertips on your ride. Made of extremely durable urethane, the DriKASE XL will protect your phone from the elements or even your own sweat while still allowing you to use your phone. By having your phone out in front on your ride, you can take a phone call, listen to music, check your location, get directions, and even load one of the popular cycling apps to make your smartphone into one of the best cycling computers around. • Fits 24mm– 32mm diameter Handlebar (some stems) • Fits large smart phone up to 6.5 x 3.5-inch • Adjustable vertically and horizontally • Quick-Release mounting system • Waterproof TPU sealed case • Fits iPhone 6 plus & Samsung Note
BiKASE's GoKASE is a TPU injection molded iPhone case designed as a platform for transportation. With the X-Bracket mounting system, your phone takes just an 1/8th turn to be secure. • Fits handlebar 24mm-32mm diameter • Cam lock system • Adjustable vertically and horizontally • Rain cover included • Material: TPU/PC/POM/Stainless Steel hardware • Size: 12.5cm x 6.5cm x 1.2cm • Volume: 0.1 Liter • Weight: 100 g
BiKASE's GoKASE is a TPU injection molded iPhone case designed as a platform for transportation. With the X-Bracket mounting system, your phone needs an 1/8th turn to be secure. • Fits handlebar 24mm-32mm diameter • Cam lock system • Adjustable vertically and horizontally • Material: TPU/PC/POM/Stainless Steel hardware • Weight: 100 g
The RunKASE from BiKASE is a versatile and convenient armband that makes a fantastic running partner. • Integrated TPU armband mounting • Weather resistant material • Adjustable vertically and horizontally • Rain cover included • Reflective cord retainer
Sigma's PC 25.10 makes it easy to reach your fitness goals. To help you track your progress, the training log lets you view cumulative weekly and monthly values for workouts up to 12 months ago! You can also view that day's training numbers. An audible alarm sounds if you go above or below a programmable heart rate zone, and it keeps track of total calories burned in an exercise session. And, your current heart rate can be shown as a percentage of your maximum so you can determine if your pace is adequate.
Sigma's PC 15.11 is like having a personal trainer attached to your wrist. It's perfect if you want all the functions of a heart rate monitor with added features like a lap counter, calorie counter and interval trainer. It also lets you know the percentage of training time spent above a programmable upper limit, your current heart rate as a percentage of your max, and total calories burned in a session. The easy-to-read zone bar, zone indicator and display of training time in the selected zone all enable you to dial in your workout, getting you fitter and faster.
Looking for an elegant, sporty heart rate monitor at a great price? Check out Sigma's PC 10.11. It's the perfect tool to help you train effectively and achieve your fitness goals. Set your heart rate zones and let the Zone Indicator tell you when you're in the right zone with visual and audible alarms! The PC 10.11 also displays the time of day, date and has a stopwatch. Plus, this handy device even counts the number of calories you've burned!
Specialized's SpeedZone Sport provides all the data you need to quantify your rides. Its easy-to-read, double-line display lets you quickly check speed, mileage, and a whole host of other important functions. Plus, the SpeedZone's easy calibration makes setup a breeze and its interface is incredibly intuitive so you can spend more time pounding out the miles than trying to figure out how far you've ridden.
This cadence transmitter works with Sigma's STS equipped wireless bicycle computers.
The K-Edge Gravity Cap is ideal for downhill and enduro mountain bikes. It easily and cleanly places your Garmin computer on your stem cap for a clear view, no matter how short or steep the stem angle. - Ideal position for Downhill and Enduro racing / riding - Replaces top cap of steerer tube with computer mount - Positions Garmin in front of your nose on steep terrain - Bolt provided for steerer tube compression. This bolt mounts under Garmin interface insert. - Compatibility: All Garmin Edge Computers including the 1000, 810, 800, 510, 500, and 200. Also supports the Touring, Touring Plus, Forerunner 310XT, and 910XT. (Larger EDGE computers such as 800, 810, 1000 may interfere with very steep, upright, stem angles.) - CNC Machined 6061-T6 Aluminum Platform - Injection Molded Garmin Specific Co-Polymer Interface - Weight: 18 grams
Are you looking for an incredibly simple way to mount your phone to your bicycle? Do you want that case to have a plethora of mounting options and accessories? Well... look no further than the ElastoKASE from BiKASE. Utilizing the 1/8 turn connection of the GoKASE and the simplicity of a rubber lined, gripping shock cord, the ElastoKASE is your "go to" phone or anything case. • Phone holder for 6-inch phones and smaller • Works with GoKASE attachments and brackets • Material: TPE & Shock Cord
Giant's Axact 6 is a simple way to get the most out of your rides. It tracks six essential functions, including distance and speed on a large, easy-to-read display. The wired sensor and handlebar mount attach easily to your bike, and a simple low battery indicator lets you know when its time to open the easy coin-release cap to change it.
Giant's Axact 13W is a great way to get the most out of your rides. This wireless computer tracks an impressive thirteen essential functions, including distance, ride time, current, average, and max speeds, plus eight more. It has a large, easy-to-read display, and features auto start, stop, and sleep modes. A low battery indicator on the Axact let's you know when it's about time to open the easy coin-release cap and put in a new battery.
• Handlebar computer/GPS mount designed for use with Contact SLR Aero integrated handlebars (sold separately) • Mounts to underside of handlebars • Integrated Di2 front junction box mount for clean cable routing
• Individual Clock display • Big display screen • One mode/setup key • Preset Wheel Size (10 major wheel sizes) • Smart EL Backlight (5pm~5am)
-Giant's ANT+/Bluetooth compatible heart rate sensor
- Large 2.1-Inch Screen - Separate Clock Display - Single Mode/Setup Key - Smart Light System; Backlight Responds To Light Conditions - Auto Start/Sleep - Functions: - Current Speed - Average Speed - Max Speed - Trip Distance - Odometer - Trip Ride Time - Pace - 12/24Hr Clock - Calorie Consumption
- Low-Profile Sleek Design - Easy To Use Interface - Low Battery Indicator - Auto Start/Sleep - Functions: - Current Speed - Average Speed - Maximum Speed - Trip Distance - Odometer - Trip Ride Time - Pace - 12/24Hr Clock - Calorie Consumption
The Hefty Holder is designed to securely hold the largest cases for all iPhones, Androids and others. Don't waste time prying your smartphone out of bulky holders or changing between cycling specific phone cases. The Smartphone Holder features a durable elasticated bungee for easy in/out access of your device. Although engineered to withstand heavy road vibrations and other bumps, the secure bungee is still stretch friendly. Delta understands that your handlebars are very precious real estate. That is why they include a stem cap and handlebar mounting bracket with each Smartphone Holder. A clever ratcheting system on each mounting bracket allows you to adjust the viewing angle of your device. A securing cam lock adds additional security to your device during those extra bumpy moments. Compatibility: - Otterbox, Lifeproof, and other devices/cases based on the following dimensions: - Maximum: 6.9 x 3.7 x .7 inches (H x W x D) - Minimum: 5.25 x 3.25 x .5 inches (H x W X D) - Handlebars up to 1-3/8-inch diameter
Between its large screen and easy wireless setup, CatEye's Padrone is great for those who want a simple, squint-free cycling computer. It's packed with essential features like speed, distance, and time, plus the auto start/stop means you'll always have an accurate ride time and distance for tracking your progress. Analog speed sensor included. Functions: - Current, Max, and Average Speed - Trip Distance - Elapsed Time - Odometer - Clock
Monitor your pedaling cadence and/or speed as you ride with these easy-to-install wireless sensors. Simply attach the sensors and ride. With no magnets or other exposed parts to line up, these sensors are easy to install, maintain and move between bikes. The cadence sensor fastens to any crank arm size and measures pedal strokes per minute so you can get the most out of your training. The speed sensor attaches to the hub of either wheel and self-calibrates with your Edge to give you accurate speed and distance at all times, including indoors on the turbo trainer. Combine them both and improve your personal best or see where your stand against the pros.
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