Naraku QMB139 Adjustable Drive Sheave rev Padded chin strap

Padded chin strap

Tread Pattern: MC-5

which prevents slipping or snapping under the most demanding situations

Right lower side panel replacement for csc go or 139QMB chinese scooters

Fits many full-size scooters

Naraku QMB139 Adjustable Drive Sheave rev Padded chin strapWith more linear slots, Naraku's Adjustable Drive Sheave (torque driver, secondary slider) improves acceleration and top speed in bikes with 50cc 139QMB engines. Specifications: Overall Outer Diameter: 118. 7mm Inner Diameter: 33. 5mm Includes rear pulley, bearings, and nut NOTE: If installing on a CSC go, you'll need these clutch slider pins Compatibility: CSC Bella Classic 50 CSC go CSC go MAX CSC Nitro Sport 50 CSC Pug 50 139QMB based 50cc 80cc