Controller box for Pro20 Bike version 1 and after.
Compatible Bikes
UTO Pro20 V2 fitted with Schwalbe Big Apple Tyres
UTO Pro20 V3 fitted with Schwalbe Big Apple Tyres
Eovolt Afternoon Pro 20” V1 fitted with Schwalbe Big Apple Tyres
Prior incompatible versions were fitted with Schwalbe Pick Up Tyres