CatEye Velo Wireless Stealth Cycling Computer CC-VT230W

Features:

• Analog wireless 
• Pace arrow
• Simple tire size
• Auto start / stop
• Programmable odometer
• Menu screen to change setting
• Zip tie bracket

Functions:

• Current / average / maximum speed
• Trip distance
• Total distance
• Elapsed time
• Clock
• Calorie consumption
• Auto start/stop

Specs:

• Tire size: 26", 700c, 27", 27.5", 29", 16", 18", 20", 22", 24" or 100cm〜299cm (default：26")
• Battery life: Computer: approx 1 year (1hr use per day） Sensor：approx 10,000 km [6,250 miles] in total distance
• Water resistance rating: IPX8

The Velo Wireless now packs even more punch with a programmable odometer and menu screen. Installs easily on almost any bike, including 27.5 and 29'ers.