This is the durable Arrma 21T MOD1 Pinion Gear providing a direct replacement for your stock item. This pinion gear will give you long lasting performance in the most extreme RC conditions. With the precision manufactured tooth profile, you will have an extremely smooth operation and a secure fitting with the double set screw holes.
Features: Constructed from strong and durable steel made to fit 5mm motor shafts
Fits: Arrma Bigrock, Arrma Fazon, Arrma Kraton, Arrma Mojave, Arrma Nero, Arrma Notorious, Arrma Outcast, Arrma Senton, Arrma Talion and Arrma Typhon
1 Steel 21T MOD1 Pinion Gear
2 M4x4mm Set Screws