The VOLspeed Smart Motor Tuning Kit is designed specifically for Bosch Performance Line CX Rim Magnet Gen 4/5 motors, providing a quick and easy way to optimise your E-Mountain Bike's performance. Made by the reputable brand Bosch in Germany, experience improved efficiency and power delivery. only had very light use, bike now sold so surplus to requirements. this is the latest version serial number 1405 and is compatible with bosch's latest 2.0 update on the gen 5 cx performance line motor very easy install. can be activated and deactivated whilst riding comes with metal brackets for gen4 and 5 and instruction booklet retail is £220+ on these
