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.

The Speedzone II gets right down to business—no frills, just the facts. Want to know how fast or far you’re going or how long it’s taken you to get there? This compact little unit will spell it out in large, easy-to-read digits. With a display unencumbered by extraneous info, you can see at a glance the basics of your ride. And to keep things simple, the unit also includes auto-wake and auto-timer, so you don’t even need to push the button when you stop or start your ride. - Designed for a super-fast and easy set-up. - Modern quarter-turn mount looks fast on every cockpit. - Speed and time of day fields are always on. - Scroll through distance, timer, average speed, and maximum speed. - Auto-wake and auto-timer: no need to push a button to start/stop the computer. - Odometer function included. - Average speed comparator and low-battery indicator. - Small in size, but it has large digits for easy viewing. - Updated tire library covers nearly all popular tires sizes. - Improved thread-on spoke magnet is stronger and easier to use.

Sigma Sport's Cadence Power Magnet is the correct replacement magnet for any Sigma Sport computer featuring cadence (computers sold separately). It attaches to your crankarm with zip ties and double-sided tape (both included).

Power Spoke magnet for all Sigma computers. Fits round and bladed spokes.

Sigma's replacement spoke magnet fits standard spokes and works with Sigma speed sensors.

MSW Miniac Wireless computers are designed to be installed quickly and give the essential information riders need to best enjoy their trip. - Ten functions: clock, current speed, average speed, current vs average speed comparison, maximum speed, trip time, trip distance, total odometer, auto scan, calories - Two-button design - CR2032 battery included

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 routable 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 so you can go for extended rides multiple days in a row without recharging it. The Edge 1000 Bundle contains the Edge 1000 cycle computer, speed and cadence sensors, a Premium heart rate monitor, two different handlebar mounts, and all the necessary charging cables.

The Garmin Edge 1030 is the ultimate GPS bike computer with navigation and connected features. - 3.5-inch bike computer with comprehensive navigation, performance and cycling awareness features - Trendline popularity routing uses billions of miles of Garmin Connect ride data to show the best on- and off-road routes - Preloaded Garmin Cycle Map provides turn-by-turn directions and new navigation alerts - New rider-to-rider messaging lets you stay in contact with other cyclists in your group - Challenge yourself every ride with newly updated preloaded Strava Live Segments feature - Battery life: up to 20 hours, extendable up to 40 hours with the optional Garmin Charge power pack General Specs: - Physical dimensions: 58 x 114 x 19 - Weight: 123 g - Water rating: IPX7 - Battery: rechargeable lithium-ion - Touchscreen - Display size: 3.5" (88.9 mm) - Display resolution: 282 x 470 pixels - Color display - Battery life: up to 20 hours In The Box: - Edge 1030 - Premium heart rate monitor - Cadence sensor - Speed sensor - Mounts (standard and extended out-front) - USB cable - Tether - Manuals

It transmits your heart rate data 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!