VDO C4DS Wireless Bicycle Computer The VDO Series-C digital wireless transmission DS is the definitive departure into a new generation of wireless technology. The DS system is equipped with a mini-computer within its transmitter. Features: Current speed ; Trip counter; Trip ride timer; Ride Timer Bike 1; Ride Timer Bike 2; Total Ride Timer; Average speed; Maximum... 

VDO C4 Wired Bicycle Computer 4104 The VDO C4 has full text display in 7 (selectable) languages. Easy Menu Structure. Service Interval Indicator. Auto Start/Stop. Sleep Mode (display shut-down). Stop watch Indicator (flashes when stop watch is active). Beeper for Timing Functions. Programmable odometer. Twist-Click Mounting. Wired Computer. Functions: Current...