ARRMA ARA310968 21T Mod1 Safe-D5 Pinion Gear

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

Includes
1 x 21T Mod1 Safe-D Pinion Gear
1 x Set Screw - M
4 x 4mm
1 x E-Clip - 3.2mm

Features
Strong and durable steel for long-lasting performance in extreme RC conditions
Precision manufactured wide tooth profile for smooth operation
'D' shaped hole to match motor shaft profile so drive and brakes are not lost if the set-screw backs out
Suits 5mm motor shaft diameter
Precision manufactured threaded set-screw hole
E-clip supplied for motor shaft pinion retention