GOOFIT 729 17.5 30 CVT Drive Belt for Long Case GY6 49cc 50cc 4 Stroke 139qmb ATV Scooter Replaces 729*17.5*30 or 729*18*30 Standard CVT Drive Belt,long case based engine Length:729mm, width:17.5mm,teeth angel:30 degree Fits for 4storke GY6 49cc 50cc scooters Please confirm that the seller's GOOFIT shop is the owner of the corresponding product. In the unlikely event that you encounter frauds posing as an exhibitor, thank you for letting us report to Amazon. Arrival within 1-2 days (Sold by GOOFIT and Fulfilled by Amazon),Arrival within 7-15 days (Ships from and sold by GOOFIT).