This steel #45 pinion is supplied as an aftermarket motor pinion compatible with Axial Racing Yeti and Yeti XL platforms, sold as a 1pc set (1 pcs). It gives you a hardened 17-tooth option for a 32 pitch drivetrain where increased wear resistance is needed during tuning or frequent gear swaps.
Fit this pinion when changing gear ratios to shift acceleration versus top speed or to replace a worn unit. Installation needs access to the motor shaft on the Yeti chassis, careful gear mesh adjustment, and a short functional run to verify smooth engagement after fitting.
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