Amazon.com: AlveyTech #35 Chain 40 Tooth 1-1/2" Bore Steel Sprocket - Replacement Parts for the Monster Moto, Mega Moto MM-K80R, TaoTao GK80 Gas Go-Kart, Mini Bike, Dirt Bikes, Pit Go-Karts, Pitch Type
Amazon.com: 60 Tooth #35 Rear Chain Sprocket Steel 4 Hole 2" bore for Mini Bike Go Kart Predator 79cc 212cc 420cc Trike ATV Quad : Automotive