- 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
New Arrma Kraton 8S 15T Mod1 Safe-D5 Pinion Gear ARA310962. This tough steel 15T Mod1 Safe-D Pinion Gear is the perfect part to carry in your RC tool box.