Revvi 12" & 16" 170W Control Unit (15A) top-pick the Z3R-140 is best suited

the Z3R-140 is best suited to confident riders who are physically ready for a race-level manual pit bike

Next Step: Amped A20

It is one of the best starter electric bikes available and is often compared against the Revvi 12 by parents researching their options

the Thunder 110 Pro is the right place in the RFN petrol range

Shop All Pit Bikes Pit Bikes for 6–8 Year Olds Beginner Pit Bike Guide

Revvi 12" & 16" 170W Control Unit (15A) top-pick the Z3R-140 is best suitedGenuine replacement 15A control unit for Revvi 12" and 16" electric balance bikes fitted with 170W brushed motors. Designed as a direct fit OEM replacement to restore performance and reliability. Genuine replacement controller Compatible with Revvi 12" & 16" 170W brushed motor models Direct fit electrical component Ideal for replacing faulty or damaged control units