pinion-gear bore and pitch

Because these are 3

Traxxas 9375 Tires & wheels black wheels 2

Factory-spec fit and function

Losi LOS210018 Body Blue Mini-T 2

ARRMA AR310429 Spur Gear 50T Kraton Typhon Notorious 1/7 Mojave Motor / ESC pinion-gear bore and pitchARRMA Spur Gear 50T (AR310429) Transfer full 6S power to your drivetrain with this genuine ARRMA 50 tooth steel spur gear. Precision cut for a consistent pinion mesh, its super strong steel construction shrugs off the shock loads of extreme bashing, making it a reliable replacement or must have spare for your pit box. Features Super strong steel for long lasting durability in extreme RC conditions Precision manufactured tooth configuration for