18T Mod1 Safe-D5 Pinion Gear

The ARRMA ARA310965 18T Mod1 Safe-D5 Pinion Gear is a tough steel option for Mod 1 drivetrains, engineered for smooth, reliable power delivery. The Safe-D design uses a D-shaped 5mm bore that matches the motor shaft, helping maintain drive and braking even if the set-screw loosens. An included E-clip adds extra pinion retention for confidence in demanding RC conditions.

Features

• Strong, durable steel construction for long-lasting performance
• Precision-manufactured wide tooth profile for smooth operation
• Safe-D D-shaped bore suits 5mm motor shafts and helps retain drive and brakes if the set-screw backs out
• Threaded set-screw hole for secure fitment
• E-clip supplied for motor shaft pinion retention

What's Included

• 1 x 18T Mod1 Safe-D Pinion Gear
• 1 x Set Screw (M4 x 4mm)
• 1 x E-Clip (3.2mm)

Suggested Compatibility

• Mod 1 gear systems using 5mm motor shafts