OEM CR2032 3V Lithium Battery used in most CatEye cycle computers.

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.

- For use with trainers and spin bikes only - Holds iPad Mini, Kindle Fire, Nexus 7, Samsung Galaxy 7 - Includes touch screen friendly splash-proof bag - Universal clamp attaches to all round bars up to 1.5" diameter - Viewing perspective can be set for preference - landscape or portrait - Instant removal and installation of device - Neat rubber bumpers grip and help cushion device - Mini-Tablet Holder max dimensions: - Holds devices with max dims 8.6" x 5.5" x .625" | 220 x 140 x 15mm (H x W x D)

Serfas' Level 2.2 Wired Computer puts cycling knowledge at your fingertips. It provides 14 key functions controlled by 2 easy-to-use buttons, and displays your data big and bold. Other great features include a low reflection LCD and the option to select from several languages. And, whether you choose handlebar or stem mounting, installation is a breeze.

Sigma Sport's Pure 1 wired computer is a classic among bicycle computers. In one easy-to-read display, it answers the three most important cycling questions: How fast? How far? How long? And it does so in a very compact and attractive design. Bike Functions: - Current Speed - Trip Distance - Trip Time - Total Distance - Total Time General Functions: - Auto wake - Automatic start/stop - Tool-free mounting - UFSB 2016- compatible - Watertight

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.

Instant bike dashboard Perfect for any enthusiast, Delta's bicycle phone mount allows you to securely display your mobile device while riding. Using a built-in lock mechanism, your plus-sized smartphone is secured safely with multiple grip points and bumpers, to prevent shock and reduce vibration on rough terrain. Adjust the angle of display for convenient viewing while riding to easily access navigation, answer that important call or stop for the perfect photo opportunity. Features Securely Displayed - Weatherproof bungee and rubber inserts keep phone secure and protected while Delta's patented cam lock provides added security for your mobile phone on rough terrain. Compatibility - Bicycle mobile phone mount compatible with phones 3.5 inch wide x 0.5 inch depth x 7.8 inch length (up to iPhone 8+ Plus and Samsung Galaxy 9+ plus). Easily Accessible - Sliding system allows for easy in and out while on the go, so your phone is available for an important call, adjusting navigation, and you'll never have to miss the perfect photo opportunity. Quality Construction - Designed for road cycling, your mobile phone is fully enclosed and securely mounted in place with a built-in locking mechanism. Precision-engineered design grips your device, providing ease-of-mind on the roughest terrain. Multiple Mounting Options - Included handlebar and stem cap mounts allow you to position your mobile phone in your desired location. Securely mounts to handlebar diameters up to 1 3/8" / 35 mm Weight - 0.17 lbs / 80 grams

Free yourself from the hassle of wires and see your ride data in any light condition with Serfas' Level 4+ Backlit Wireless Speed Computer. It provides 19 important functions and displays your data big and bold on a backlight LED screen. Other great features include a temperature reading as well as auto start/stop, so your rides never go unrecorded. And, whether you choose handlebar or stem mounting, installation is a breeze. • backlit led • new large screen • handlebar & stem mountable • auto start/stop • km or mi selectable

The Sigma Pure 1 ATS is a purist amongst all bicycle computers. In one easy to read display, it answers the three most important cycling questions: How fast? How far? How long? And it does so in a very compact and attractive design. - The Pure 1 ATS is a coded wireless computer. ATS refers to Sigma's own analog encoded wireless transmission system - Incredibly legible - the Pure 1 has a very large 29 x 45mm display that facilitates reading for everyone; especially those with less than perfect vision - Switch between the trip view and the totals view with just one touch of the button - This sleek design sets new standards when it comes to blending in with the bike - The flat handlebar mount was designed specifically to match the thin profile of the PURE 1 ATS computer, sitting flush on the handlebar or stem, making the computer look like it is part of the bike itself. - Includes a single piece spoke magnet that fits all common size spoke sizes and easily attaches without tools - PURE 1 ATS records the speed using the analog transmission system (ATS) transmitter, which wirelessly transmits the data to the computer

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

Sigma Sport's Rox 6.0 is one tiny computer that packs a mighty punch! It's stuffed full of all the features you need to take your workouts to the next level, including speed, heart rate, target HR zones, and temperature. The altitude measuring functions of the Rox 6.0 makes it ideal for riders who train in the mountains, showing them elevation gained and lost, as well as their current elevation. Add in the simplicity of wireless installation and it's a great option for competitive athletes and anyone interested in tracking their fitness. It's versatile too, with functions specifically for hiking, so you can take a break from the bike and still enjoy the outdoors.