Mach-1 Racing 48P Lightweight Hard Anodized Aluminum Pinion Gear. Designed for all levels of Competition Racing, these pinions feature a 3.175mm bore. Made from machined aluminum, these pinions lead to less rotating mass and quicker motor spool-up times.
 
Precision cut to 48 pitch gear mesh, these pinions will be right at home in high horsepower conditions. Available in multiple sizes, please select the size you need.

Features:
48 Pitch with a 3.175mm pinion bore
Machined from aluminum and given a hard GOLD Ti anodized coating for durability
Etched tooth size for easy identification
Less rotating mass
Quicker motor spool up