Description Replacement drive belt for QMB139 scooters with long cases. 729 x 17.7 x 30 Blue Line Drive Belt (729x17.7x30); QMB139 Long Case Belts Other products by BLUE LINE SKU1200-1242 - + Retail Price: $17.00 Your Price: $17.00 In Stock Add to cart Add to wishlist Have a Question about this item? Click here to email us. Also in Category Prima Traveler Saddle Bag (Black); Universal Price: $235.00 QTY: Add To Cart Prima Roll Bag - Large Black Price: $219.00 View Details Prima Rear Basket (Large, w/ Removable Liner); Universal Price: $172.00 QTY: Add To Cart