The long final drive shaft for GY6 50cc 139QMB / 139QMA is an essential part of the final drive system for scooters equipped with a drum rear brake. It transmits...
The clutch side drive shaft for GY6 50cc 139QMB / 139QMA is an essential part of the CVT system and final drive. It transmits power from the clutch to the...
The complete engine bearing kit for GY6 50cc is designed to replace all internal bearings in 139QMB and 139QMA engines during a complete overhaul or rebuild. Essential when replacing the...