Rear Sprocket - 420 - 37 Tooth - 48mm Center Hole - Tao Tao ATA110B, ATA125D and More! 875mm (5/8 in)

875mm (5/8 in)

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Includes cylinder body (bore 57mm)

Rear Sprocket - 420 - 37 Tooth - 48mm Center Hole - Tao Tao ATA110B, ATA125D and More! 875mm (5/8 in)Rear Sprocket 420 37T This rear sprocket is used on the Chinese 50cc 125cc engines. This sprocket has 37T and is compatible with the 420 chain ONLY. Sprocket details: #420 chain used on ATVs usually with a 7 inch rear wheel or smaller 37 Teeth Center hole diameter: 48mm (1. 89 in) Mounting holes: 48mm (1. 89 in) center to center (side by side) Mounting holes distance: 68mm (2. 68 in) straight across Overall diameter: 155mm (6. 0 in) will NOT fit