21T Mod1 Safe-D5 Pinion Gear (ARA310968)

This tough steel 21T Mod1 Safe-D Pinion Gear is the perfect part to carry in your RC tool box.

It is made from strong and durable steel, ensuring long-lasting performance in extreme RC conditions. The precision manufactured wide tooth profile allows for smooth operation. The 'D' shaped hole is designed to match the motor shaft profile, preventing loss of drive and brakes if the set-screw backs out. This pinion gear suits a 5mm motor shaft diameter and features a precision manufactured threaded set-screw hole. An E-clip is also provided for motor shaft pinion retention.