Upgrade your HPI Baja's drivetrain with the durable GPM SBJ018TO steel pinion gear. Designed specifically for RC enthusiasts seeking improved performance and reliability, this 18-tooth pinion gear features a 5mm bore, making it compatible with both stock spur gears and the SBJ057T model. Its regraded profile ensures optimal mesh and smooth power delivery, perfect for those looking to enhance their vehicle's efficiency and speed.
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