Extra Hard Steel 5mm Bore 1mod Pinion 17T (RRP1217)

Extra-Hard Steel 5mm-Bore Pinion Gear, 1.0 Module, 17 Teeth is a rugged component designed for brushless RC motors. It uses a 5mm bore and 1.0 module to fit a 5mm motor shaft and pairs with most 1/8-scale nitro spur gears for dependable drivetrain performance. The package includes a 4x4mm set screw, and tightening it requires a 2mm Allen wrench. A reducer sleeve is required to adapt motors with 1/8-inch shafts.

Crafted from hard steel, this pinion offers lasting durability under high-torque conditions and delivers precise meshing for smooth acceleration and consistent power delivery across a range of RC car setups.