RDLN Racing Variator w/ Roller Tuning Kit | Ruckus 139QMB p series vespa the VRM459's directional tread pattern

the VRM459's directional tread pattern and reinforced carcass keep you planted and confident in all conditions

ensuring perfect compatibility with the XQi3's electronic control system

This is the lower body cover under the frame on Niu KQi 300 series scooters

predictable engagement point

Angled Liner Grooves: Engineered slots channel away dirt

RDLN Racing Variator w/ Roller Tuning Kit | Ruckus 139QMB p series vespa the VRM459's directional tread patternUnlock the full performance potential of your 139QMB GY6 50cc scooter with the RDLN Racing Variator and Roller Tuning Kit. This complete drive pulley variator assembly includes three full sets of roller weights (6g, 7g, and 8g) so you can dial in the exact balance of acceleration and top speed for your engine setup and riding style. Key Features Modified ramp plate increases maximum power output over the stock variator Copper core roller weights