The XRAY 385700 set supplies four tooth counts: 17T, 19T, 21T and 23T, giving modelers good range for gearing experiments. The composite construction balances strength and light weight so the pinions cope with frequent changes and hard running.
Choosing the correct pinion lets you tailor acceleration, response and top speed for different surfaces. Hobbyists can switch pinions to optimise lap times without complex modifications.
These pinions use durable composite material to resist chipping and wear. Each unit includes a setscrew so you can secure the pinion to your motor shaft quickly and with confidence.
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