Eichi Shimizu

RPM recommends thread tapping (tap not included) the hole for 3-4 threads

This stand-alone section

Compact design

Exotek Racing - Flite Spur Gear 48 Pitch 84 Tooth, Machined Delrin, for EXO Spur Gear Hubs ASC30134 Eichi ShimizuHigh performance machined POM spur gears for all Exotek slipper eliminator hubs. These spur gears are 100% machined POM to insure true roundness, with extra interior machining to reduce overall weight for reduced rotating mass. Much stiffer and truer than molded nylon spur gears. Requires 3 M3x6 button head screws (not included). This size is best suited for stand up transmissions (spur may be too big for most laydown transmissions).