A direct-fit Delrin spur manufactured as a single replacement piece for the HPI Savage 21 platform. The unit features 53 teeth as listed in the product title and is for scale RC drivetrain use only.
Delrin (acetal) gives controlled wear rates and reduced friction where gears mesh; confirm correct pinion engagement and centre-mesh after fitting. Supplied as 1 pcs for service or part replacement.
Maintaining minimal backlash and correct mesh preserves driveline efficiency and reduces stress on pinions and bearings. During servicing check wave washers, bearing endplay and spur retention to ensure dependable operation.
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