Novak 5211 Mod 0.5 Pinion Gear Set, 14T/15T/16T FEATURES: Blue Hard-Anodized Aluminum Construction For use with 1/8 Shaft Motors INCLUDES: One 14T, one 15T and one 16T 1/8 Modified 0.5 Pinion Gear Three 3x3mm set screws REQUIRES: Installation on Novak Mongoose Micro Brushless System 10.5 (NOVC3051) or the Novak Mongoose Micro Brushless System 13.5