Universal Parts QMB139 Adjustable Sheave $41.99 Quantity discounts available QuantityPrice SKU: 151-276 Restock: Late June This item is IN STOCKCurrent Stock: 11 Quantity -+ Add to Cart Details Specs Includes Rear Pulley, Bearings, and NutOverall Outer Diameter: 118.7mm Supported Models Baja SC50, Baja SC50-P, Kymco, Panterra, Qingqi QM50QT-6V, QMB139 50cc/49cc , Roketa, Schwinn Laguna 50, Tank DetailsSpecsSupported Models Back Universal Parts Performance Drive Sheave for 50cc QMB139 4-stroke engines. Includes Rear Pulley. Back Includes Rear Pulley, Bearings, and NutOverall Outer Diameter: 118.7mm Back Baja SC50, Baja SC50-P, Kymco, Panterra, Qingqi QM50QT-6V, QMB139 50cc/49cc , Roketa, Schwinn Laguna 50, Tank