
Manufacturer part number: JTR838.45 — JT SPROCKETS standard steel sprocket 838 - 428. Designed for replacing your transmission component or for modifying the gearing, this sprocket fits into the final drive of urban and roadster machines.
The JTR838.45 sprocket is intended for riders looking for a reliable replacement part for the sprocket and chain. Its C49 steel, a commonly used material for sprockets, provides good mechanical strength for daily road use. The black coating helps reduce dirt adhesion and makes maintenance easier.
Common compatibility (examples):
Before installation, check the condition of the sprocket and chain: a worn sprocket-chain-sprocket set should be replaced simultaneously to ensure even wear. Ideal for urban and roadster use, it directly replaces standard 428 drives.