Quick view Compare Naraku 669-18-30 CVT Drive Belt Naraku 669-18-30 CVT Drive Belt for Short Case 50cc QMB139 engines with 10" Rear Wheel.Please see our Warranty & Returns PolicyLength: 669mm Top Width: 18mm Groove Angle: 30° Regular Price(MSRP) $30.00 Season Special $21.99 Add to Wishlist Add to Cart