The Serpent 903224 set offers six coated aluminium pinions intended for Centax II drivetrains, enabling fine tuning across common track types. The pack spans pinions from 15T up to 20T to cover typical tuning ranges.
With 15T, 16T, 17T, 18T, 19T and 20T included, you can incrementally alter gear ratio to prioritise traction or top end. Small steps in tooth count make it easier to compare setup changes lap by lap.
Each pinion is machined from aluminium and treated with a protective coating to slow wear and preserve tooth profile. The finish helps keep a consistent mesh and reduces the chance of premature replacement.
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