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ARRMA 16T 0.8Mod Pinion Gear,
This tough steel 16T 0.8 Module Safe-D Pinion Gear is the perfect part to carry in your RC tool boxFeatures 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 retentionIncludes 1 x 16T 0.8 Module Safe-D Pinion Gear 1 x Set Screw - M4 x 4mm 1 x E-Clip - 3.2mm ARRMA 

Price is $14.00
Price: $13.99