New Traxxas Rustler 2wd XL5 Optional High Speed Pinion and Spur Gear. Includes 86 tooth spur gear, 28 tooth pinion gear, and grub screw. New in package.  These are the optional Gears included with the  XL5 Rustler 2wd. Also fits 2wd Slash, Stampede, and Bandit. Fits XL5 and VXL models.