The XRAY 385700 set supplies a compact range of pinions in 17T, 19T, 21T and 23T to help tune acceleration and top speed. The composite material balances toughness with reduced mass, suitable for frequent setup changes at the track.
These pinions enable careful adjustment of gearing to match motor and track demands, letting racers optimise lap times through small ratio changes. The variety of tooth counts helps cover a wide range of tuning choices.
Made from resilient composite, the pinions resist routine wear and take repeated fitting and removal. A setscrew is included with each pinion to secure it firmly to the motor shaft for reliable operation.
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