Input Shaft Cup Safe-D

The Arrma ARA310977 Input Shaft Cup Safe-D is a high-quality replacement for ARRMA drivetrains. Machined from durable steel and built around ARRMA’s Safe-D keyed design, the input gear and drive cup lock together to help maintain drive even if the attachment screw loosens. Precise threads ensure a secure fit for the supplied set screw.

Key Features

• Machined from strong, durable steel
• ARRMA Safe-D keyed design
• Input gear and drive cup key together to maintain drive if the attachment screw loosens
• Precise screw threads for a safe, secure fit of the securing set screw

What’s Included

• 1 x Input Shaft Cup (Safe-D)
• 1 x Set Screw M4 x 6mm

Required to Complete

• #ARA310976
• Suitable Safe-D compatible input gear that is matched to your main differential gear