SPKR049"You should buy this Sprocket 428-42T"
The rear sprocket on a motorcycle is a key component of the drivetrain system, located on the rear wheel hub. It works in conjunction with the front sprocket and the chain to transmit power from the engine to the rear wheel, propelling the motorcycle forward. The rear sprocket features a series of teeth that mesh with the chain, and its size affects the motorcycle’s gearing and performance characteristics. A larger rear sprocket increases torque and acceleration, while a smaller one improves top speed and fuel efficiency. Proper maintenance and alignment of the rear sprocket are essential for optimal drivetrain performance and safety.
| Ref | Item Name | Price | ||
|---|---|---|---|---|
| 1 | ![]() |
Rear Spindle M14 x 250mm for HT125-4F, SK125-4, SK125-5, SK125-8, HJ125-J, HJ12 SPND104 x 1
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| 2 | ![]() |
Flanged Hex Bolt with Shank M8 x 50mm BLT022 x 1
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| 4 | ![]() |
Chain Adjuster CHNA011 x 1
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| 8 | ![]() |
Rear Sprocket 428-42T for HJ125-J, HJ125-K SPKR049 x 1
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| 11 | ![]() |
Rear Black Multi-Spoke Wheel 17 x 2.50inch (Drum Brake) for HJ125-J, HJ125-K WHLR167 x 1
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| 12 | ![]() |
Tyre Valve Straight VLVTYR001 x 1
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| 15 | ![]() |
Rear Black Brake Hub for HJ125-J, HJ125-K BRH013 x 1
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| 17 | ![]() |
Swinging Arm Spindle Nut M14 x 1.5mm NUT109 x 1
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| Manufacturer | Model | Diagram |
|---|---|---|
| Lexmoto | Assault 125 [HJ125-J] | View parts diagram |
| Oregon 125 [HJ125-K] | View parts diagram | |