Description:

This Rear Sprocket 420 37th is designed for most Chinese dirt bikes to ensure reliable power transfer and drivetrain performance.

• Sprocket Size: 420 37th
• Bolt Pattern: 4x90mm with 64mm to adjacent hole
• Shaft Diameter: 58mm
• Common Applications: Apollo 50cc, Apollo 70cc Kiddy, Baja Dirt Runner DR125, Baja Dirt Runner DR49, Baja Dirt Runner DR50, Baja Dirt Runner DR70, Baja Dirt Runner DR90, Baja Warrior 90, Baja Warrior WR49, Coleman Powersports 70cc, Coolster 110cc QG 213 and QG 213A, Coolster 70cc QG 210, Coolster 70cc QG 210X 70, Peace Sports 70cc XB21B TPGS 109, TaoTao ATD 90A, TaoTao DB10 110cc, and TaoTao DB14 110cc
• Item Dimensions: 12 inches length, 10 inches width, and 4 inches height
• Package Quantity: 1
• Part Number: 635092