This is an RC-scale aluminium motor gear specified as 11T, produced by GPM for use with Kyosho Motor Cycle applications and supplied as a single piece. The part is intended for hobby motorcycle models where an 11-tooth pinion is required to match the drivetrain ratio.
In practical use the 11T pinion changes the motor-to-spur ratio and therefore affects acceleration and top speed trade-offs. When replacing a pinion, remove the motor assembly as required by your model, exchange the existing 11T gear with this aluminium unit, ensure correct gear mesh and axial alignment, and secure the fastening method provided on your motor shaft. After installation, run a slow power-up to confirm smooth engagement and no abnormal noise.
The aluminium construction offers improved wear resistance compared with some stock plastics, helping maintain consistent mesh under repeated runs. This part is an RC accessory only and is intended for Kyosho motorcycle model tuning and maintenance.
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