This is the 17 Tooth 1M Pinion Gear for use on the Hot Bodies Ve8 Buggy Kit. FEATURES: Constructed of steel For use on Hot Bodies Ve8 and other 1/8 scale electric vehicles INCLUDES: Hot Bodies 17 Tooth 1M Pinion Gear REQUIRES: Installing on motor shaft (set screw not included) SPECS: Diameter: 0.75" (19mm) Thickness: 0.41" (10.5mm) Number of Teeth: 17 Pitch: Mod 1 Hole Diameter: 5mm jxs 05/20/10 ir/jxs