This is the 87 Tooth 48 pitch Spur Gear from Arrma. FEATURES: Composite plastic construction Stock spur gear used in the Arrma Vortex Granite, Fury and Mojave Optional for the Arrma Raider and ADX-10 INCLUDES: 87 Tooth 48 pitch Spur Gear jxs 11/08/11 ir/jxs