Material: 7070/7075 Aluminum
Inner Diameter:76mm
Tooth: 39 Teeth
Fits 420 Chain Only.
420 39 Teeth 76mm Aluminum Billet Rear Sprocket For Pit Dirt Bike.
It Fits SDG Wheel 50cc 70cc 90cc 110cc 125cc 140cc 150cc 160cc 170cc 180cc 190cc Chinese Made Pit Dirt Bikes Including Stomp Demon X, WPB, Orion, M2R, Lucky MX, Thumpstar, Explorer, Braaap, Atomic, Pitpro, Pitster Pro, DHZ, SSR, Piranha And Many More.
The Listed Pictures Are Just For Reference, Please Just Choose The Size And Color You Need.