The optional Hot Racing Arrma 6S 7x18mm Steel Input Shaft Cup is a drop fit upgrade for the Arrma 6S family of 1/8 and 1/7 scale models.
- CNC S2 carbon steel construction with nitride coating
- Nitride coating enhances wear and corrosion resistance
Inner diameter: 0.27 (7mm)
Length: 0.71 (18mm)