Universal Parts Drive Belt 788-18-30 $12.99 Quantity discounts available QuantityPrice SKU: 106-150 This item is IN STOCKCurrent Stock: 79 Quantity -+ Add to Cart Details Specs Length: 788mm Top Width: 18mm Groove Angle: 30° Supported Models Universal Fit DetailsSpecsSupported Models Back Universal Parts 788-18-30 drive belt for long case 50cc QMB139 engines with 12-13" Rear Wheel. Back Length: 788mmTop Width: 18mmGroove Angle: 30° Back Universal Fit