Material: Fiber Rubber Size??Length: 669mm ,Width: 18mm ,Teeth Angel: 30 degree Perfect match:Replace # 669 18 30,racing Drive Belt for 4 stroke 49CC 50CC GY6 139QMB 1P39QMB Long case engine Scooter, ATV, Go Kart, Moped??Compatible with such as??Roketa Taotao Baja Vespa Jonway ?? Package includes: 1 x CVT Drive Belt Worry-free after-sales: If you have any questions, you can contact us and we will deal with as soon as possible.??Order from , we offer a 12 month warranty, true worry-free shopping experience.) Brand: MRELC Material: Fiber Rubber Size??Length: 669mm ,Width: 18mm ,Teeth Angel: 30 degree Perfect match:Replace # 669 18 30,racing Drive Belt for 4 stroke 49CC 50CC GY6 139QMB 1P39QMB Long case engine Scooter, ATV, Go Kart, Moped??such as??Roketa Taotao Baja Vespa Jonway ?? Package includes: 1 x CVT Drive Belt