Description
Rear Sprocket Chain size: #420
Tooth count: 25
Shaft ID: 21mm
Bolt Holes: 9mm
BCD: 37mm
Thickest Part: 6.1mm
Thinnest: 5.2mm
Sprocket OD: 106.23
This rear sprocket is used on Chinese 50cc-125cc engines. This sprocket has 25 teeth, is compatible with 420 chain only, and is commonly found on the Coleman KT196 and the HiSun HS200GK go-karts.
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