The Protege Series are great for training, touring, or keeping track of car-free miles. - Four-line, easy-to-read macromonitor LCD display provides up to five pieces of data at a glance - Heavy-duty, oversized wire harness and ultrasonically welded case ensure a durable, weatherproof unit - Mode changing is easy: push the computer forward in the spring loaded bracket- the computer is the button - Auto start/stop and LCD shut off - Fits 25.0-31.8mm handlebars - Weight: 57 grams with bracket and sensor - Case size: 40mm x 47mm - Height (w/ bracket): 27 mm

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.

Garmin started with the aerodynamic form factor of the popular Edge 500, added in-ride challenges on Strava live segments, color display, connected capabilities and advanced analysis features. The result—Edge 520, the GPS bike computer that’s right-sized for competitive cyclists and packed with the features you crave. The Bundle includes a premium heart rate monitor, speed and cadence sensors, plus standard and extended out-front mounts. Edge 520 compromises nothing when it comes to display — 2.3 inches of high-resolution color. We maximized the display so you get the most live area in relation to the compact size of the 520. You’ll also appreciate the screen clarity in all lighting conditions. The compact, rugged form factor and 15+ hour battery life of Edge 520 make it ideal for off-road adventures. It’s also compatible with GPS/GLONASS satellites, so you benefit from more signal options, wherever your ride takes you. - Offers in-ride challenges through Strava live segments - Reports cycling-specific VO2 max and recovery time when used with power and heart rate - Pairs with compatible ANT+ indoor trainers for data display and control - Tracks Functional Threshold Power (FTP), watts/kg and cycling dynamics when used with Vector or Vector 2 power meters - Connected features (when compared with a compatible phone): automatic uploads, live tracking, smart notifications, send/receive courses, social media sharing, weather

Introduce the rider you are today to the one you’ll be tomorrow. The Edge® 540 cycling computer offers targeted adaptive coaching when used with your compatible power meter and heart rate monitor. It helps you manage your efforts by providing power targets throughout a course plus stamina insights, so you know how much gas is left in the tank. Get superior positional accuracy under dense tree cover or the urban canyon, thanks to multi-band GNSS technology. It features button controls that work in any conditions. Whether you’re riding roads, trails, gravel or indoor, you can benefit from insights and workouts that will help you understand your strengths and weaknesses and prepare for upcoming races or personal milestones.

The Protege Series are great for training, touring, or keeping track of car-free miles. - Four-line, easy-to-read macromonitor LCD display provides up to five pieces of data at a glance - Heavy-duty, oversized wire harness and ultrasonically welded case ensure a durable, weatherproof unit - Mode changing is easy: push the computer forward in the spring loaded bracket- the computer is the button - Auto start/stop and LCD shut off - Fits 25.0-31.8mm handlebars - Weight: 57 grams with bracket and sensor - Case size: 40mm x 47mm - Height (w/ bracket): 27 mm

The Protege 9.0 uses the Planet Bike 4-line MacroMonitor display and has digital wireless technology to eliminate messy wires. - Functions: Current Speed - Speed Comparator - Ride Time - Trip Distance - Dual Odometer (for 2 wheel sizes) - Average Speed - Maximum Speed - Clock - Temperature - Digital technology results in decreased interference - Easy-to-adjust sensor that fits bladed spokes up to 4 mm - 4-Line MacroMonitor LCD displays up to 5 pieces of data at a glance - Fits 25.0-31.8mm handlebars - 21" wireless range

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+.

Garmin started with the aerodynamic form factor of the popular Edge 500, added in-ride challenges on Strava live segments, color display, connected capabilities and advanced analysis features. The result—Edge 520, the GPS bike computer that’s right-sized for competitive cyclists and packed with the features you crave. Edge 520 compromises nothing when it comes to display — 2.3 inches of high-resolution color. We maximized the display so you get the most live area in relation to the compact size of the 520. You’ll also appreciate the screen clarity in all lighting conditions. The compact, rugged form factor and 15+ hour battery life of Edge 520 make it ideal for off-road adventures. It’s also compatible with GPS/GLONASS satellites, so you benefit from more signal options, wherever your ride takes you. - Offers in-ride challenges through Strava live segments - Reports cycling-specific VO2 max and recovery time when used with power and heart rate - Pairs with compatible ANT+ indoor trainers for data display and control - Tracks Functional Threshold Power (FTP), watts/kg and cycling dynamics when used with Vector or Vector 2 power meters - Connected features (when compared with a compatible phone): automatic uploads, live tracking, smart notifications, send/receive courses, social media sharing, weather

Whether your goal is to beat yesterday with a faster or longer ride or dial in your training for a race, Garmin's Edge 820 puts the features you crave at your fingertips. This compact, touchscreen GPS cycling computer offers advanced performance monitoring, bike-specific turn-by-turn navigation, the new GroupTrack feature and more. - Lightweight and compact with 2.3-inch high-resolution, capacitive touch display that works with gloves and when wet - GroupTrack feature keeps tabs on everyone in your riding pack - Advanced performance monitoring includes VO2 max, recovery advisor, Strava live segments, FTP, performance condition and advanced cycling dynamics - Built-in incident detection included; compatible with cycling awareness accessories such as Varia Vision, Varia smart bike lights and rearview radar - Bike-specific navigation preloaded with Garmin Cycle Map for turn-by-turn navigation

From the downhill mountain biker to the farsighted cyclists, the Padrone is ideal for anyone who wants to enjoy a squint-free ride and a fast, simple set-up. - Analog wireless - Large display and sleek design - Auto start/stop - Menu screen to change setting - ClickTec button interface - Programmable odometer - Battery indicator - FlexTight universal bracket

The Cateye Velo Wireless Computer packs a punch with a programmable odometer and menu screen. It installs easily on almost any bike, including 27.5 and 29’ers. - Computer functions: Current/ average/ maximum speed, trip distance, total distance, elapsed time, clock, calorie consumption - Analog wireless computer - Pace arrow - Simple tire size - Auto start / stop - Programmable odometer - Menu screen to change setting - Includes zip tie bracket

The Padrone features a large bike computer display, making it easy to see in all conditions. - The Padrone features the following measurements: Current/ average/ maximum speed, total distance, trip distance, elapsed time, clock, and stopwatch - Its large display size makes it easy to read while riding - Easy to set up, read and use - ClickTec button interface for easy use - Analog wireless computer - Programmable odometer - Auto start/stop - Menu screen to change setting

Sigma's BC 1009 STS is a smart wireless computer choice for every cyclist. Its diversity of functions make it an unrivaled bargain, too! Its easy to navigate big-numeral display is a joy to use. The integrated storage chip "remembers" your personal settings and total values even during battery change, which is announced by the low battery indicator. Plus, an optional second-bike sensor is available.

Wires and sensors are a thing of the past! Simply mount the MSW Miniac Go GPS Computer to your handlebars and hit the dusty road. With simple two-button operation and eight functions at your fingertips, you can track distance, speed, trip time, and more while on the bike. - 1.8-inch monochrome screen with backlight displays four functions at once - Odometer: trip, total - Speedometer: current, average, maximum - Time: current, trip - Also displays calories burned - microUSB data cable included for charging - Up to 10-hour continuous run time - Water resistant

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.

From daily commute to weekend ride, the CatEye AirGPS is ideal for anyone who wants to measure time, speed and distance. Simply click through to a different data field and transfer your ride data to your Smartphone via App to upload to supported platforms. - Sensorless GPS computer - Simple setup via smartphone app - 3-row display. Middle and lower row display programmable by smartphone. - Backlight (Night mode) - Hassle-free operation. ClickTec™ button interface, and automatically saves ride data by powering off. - 10hrs runtime - Stores up to 80 hours worth of route recording - Import ride data to Cateye Cycling™ and view it on app

This Sensor works with the Strada Wireless RD300, Strada Wireless Universal CC-RD310W, Micro Wireless CC-MC200W, Urban Wireless CC-VT240W, and Urban Wireless + CC-VT245W.

Information is power, so Knog packed everything they could into the Nerd 9 cycling computer. Its nine function modes provide all you need to track your riding time, and its push-screen functionality makes it easy to use. Plus, its industrial grade silicone enclosure fends off the rigors of riding and weather.

Smart technology meets CatEye's most popular display, the Padrone. Download the free CatEye Cycling app, stash your smartphone away safely in your jersey pocket or saddlebag and hit the road. Use Mirror Mode to get GPS-powered ride data, SMS (Text), call and email alerts from your phone displayed on the Padrone Smart’s screen while your phone is kept safe from the elements in sleep mode, preserving the battery. When carrying a phone isn’t ideal, use Sensor Direct Mode to get speed, cadence, heart rate, and power data directly from Bluetooth Smart wireless sensors. - Includes the ISC-12 bluetooth speed and cadence sensor and the HR-12 bluetooth heart rate sensor kit plus a FlexTight mounting bracket and 3 CR2032 batteries.

Enjoy easy viewing on your Sigma Rox 10.0 GPS Unit with this out-front handlebar mount. *Note: Out Front Mount for SIGMA ROX 10.0 GPS ONLY. Will fit 31.8 mm diameter bars only.

The Padrone Stealth Edition delivers all of the same functions as the classic Padrone, now with an easy-to-read inverted LCD screen. Packaged with the stable OF-100 Out-front bracket, you’ll get clear data that’s easy to see from any position. - Analog wireless - Easy to read inverted LCD with large display and sleek design - Auto start / stop - Menu screen to change setting - ClickTec™ button interface - Programmable odometer - Battery indicator - OF-100 Out-Front bracket included

CatEye's Bluetooth Speed/Cadence Sensor transmits your speed and cadence through your Bluetooth-compatible Smartphone to your handlebar-mounted CatEye Strada Smart cyclo-computer (sold separately). Download the CatEye Cycling app for iPhone/Android and you’ll get all your ride data and save your phone battery. Attack each ride and celebrate your successes on the bike!

CatEye's Strada Smart connects with your smartphone so you can view your ride data while your phone stays safely in your pocket with its battery life preserved. Simply download the CatEye Cycling App and the Strada Smart will display current/average/max speed, distance traveled, altitude, and more. CatEye includes a heart rate sensor and speed/cadence sensor so you can track your efforts even closer. After a tough ride come back and upload your data to CatEye's Atlas, Training Peaks or Strava to compare your workout to previous rides or your friends' times. And, if you leave your phone at home, the Smart also works by itself with the Bluetooth sensors.

Now thinner and more stylish, the Urban Wireless is the evolution of CatEye's simplified wireless computer. In addition to the standard ride data you’ve come to rely on, the Urban Wireless now packs even more punch with a programmable odometer and menu screen. Installs easily on almost any bike, including 27.5 and 29ers. A large display and calorie consumption feature make it easy see the benefits to your health. - Includes speed sensor, spoke magnet, FlexTight handlebar mount, and two CR2032 batteries

Now thinner and more stylish, the Urban Wireless Plus is the evolution of Cateye's simplified wireless cycle computer. In addition to the standard ride data you’ve come to rely on, the Urban Wireless Plus now packs even more punch with a programmable odometer, menu screen, and backlight with night mode. Installs easily on almost any bike, including 27.5 and 29'ers. A large display and calorie consumption feature make it easy see the benefits to your health. - Includes speed sensor, spoke magnet, FlexTight handlebar mount, zip ties, and two CR2032 batteries. - Dimensions: 55.5 X 37.0 X 16.5mm - Weight: approx 26.4 grams Functions: - Current speed - Elapsed time - Trip distance - Average speed - Max. speed - Calorie consumption - Total distance - Clock - Auto start/stop

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.

Never stop cycling with Edge 1040. It's our first GPS bike computer with multi-band GNSS technology for even better coverage under dense tree cover, on remote mountain trails and even in the urban canyon. It's also packed with performance features that help you understand your strengths and weaknesses to coach you through any challenge. When paired with your compatible sensors, it can even help you manage your efforts by providing power targets throughout a course and stamina feature insights, so you know how much gas is left in the tank. And the setup is simple, so you can take it out of the box and be out riding in no time.

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.

CatEye's Out Front Bracket frees up your handlebars and positions your favorite CatEye computer just in front of your stem for optimal viewing and accessibility.

Get the most out of each workout with CatEye's ANT+ Heart Rate Sensor Kit. It works with any ANT+ compatible cyclo-computer, including CatEye's Stealth EVO+, to provide you with heart rate data as you ride, so you can track how hard each effort is and hone in your training. Attack each ride and celebrate your successes on the bike!