AmazonARRMA Pinion Gear, 34T Mod1 Safe-D8, ARA311122 'D' shaped hole to match motor shaft profile so drive and brakes are not lost if the set-screw backs-out Suits 8mm motor shaft diameter Precision manufactured threaded set-screw hole E-clip supplied for motor shaft pinion retention
ARRMA Pinion Gear, 34T Mod1 Safe-D8, ARA311122 'D' shaped hole to match motor shaft profile so drive and brakes are not lost if the set-screw backs-out Suits 8mm motor shaft diameter Precision manufactured threaded set-screw hole E-clip supplied for motor shaft pinion retention