Arrma 33T Mod 1 Safe-D5 Pinion Gear

The Arrma ARA311128 33T Mod1 Safe-D5 pinion gear is engineered from strong, durable steel for dependable performance in demanding RC conditions. Its precision wide tooth profile promotes smooth, efficient mesh, while the Safe-D design integrates a D-shaped bore to match a 5mm motor shaft—helping maintain drive and brakes even if the set screw loosens. A threaded set-screw hole and the supplied E-clip support secure pinion retention.

Features

• Strong and durable steel for long-lasting performance in extreme RC conditions
• 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
• Precision manufactured threaded set-screw hole
• E-clip supplied for motor shaft pinion retention

What's Included

• 1 x 33T Mod1 Safe-D5 Pinion Gear
• 1 x Set Screw - M4 x 4mm
• 1 x E-Clip - 3.2mm