Amazon.com: TC-Motor Red 8mm Chain Roller Black Slider For Pit Dirt Trail Motor Bike Motocross XR CRF 50cc 90cc 110cc 125cc 140cc 150cc 160cc SSR Thumpstar Stomp : Automotive
Amazon.com: Glixal ATKS-04011 16X13mm High Performance Racing Variator Roller Weights Set 139QMB GY6 50cc - 100cc Scooter Moped ATV (6 gram) : Automotive
Amazon.com: Racing Driving Wheel Roller 8 Gram Weight Set replacement for GY6 50CC 139QMB 49cc 50cc Scooter Moped Jonway ATV : Automotive