Arrma piñón 0.8M 17T Safe-D5

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