18T 0.8Mod Safe-D5 Pinion Gear (ARA311001)

This tough steel 18T 0.8 Module Safe-D Pinion Gear is the perfect part to carry in your RC tool box.

It offers strong and durable steel for long-lasting performance in extreme RC conditions with a precision-manufactured wide tooth profile for smooth operation. The 'D' shaped hole ensures a perfect match with the motor shaft profile, preventing loss of drive and brakes if the set-screw backs out. It is suitable for a 5mm motor shaft diameter and features a precision-manufactured threaded set-screw hole. An E-clip is also supplied for motor shaft pinion retention.