Raleigh 20 Function Wireless Cycle Computer: A 20 function cycle computer to measure the following... Speedometer in kmh or mph Trip Distance k or m Odometer k or m Auto trip meter Maximum speed kmh or mph Calorie count Maintenance indicator Digital clock Stopwatch Average speed kmh or mph Scan Freeze frame memory Speed compararator + or - Rapid auto scan 12/24 hour clock Speed tendency Odometer save function Temperature Centigrade or Farenheit selection Fat burnFits bikes with wheels from 20\" to 28\" Fits oversize & suspension forks Wireless connection