Kyosho Ultima Rb7.5 48p Spur Gear (72t) KYOUB050-72

This Kyosho spur gear is a factory replacement part for the Ultima RB7.5 platform, featuring a 48 pitch tooth profile and a 72 tooth count. It is made from a durable plastic compound and mounts to the drivetrain to transfer power from the motor pinion to the drivetrain. Selecting the correct pitch and tooth count is essential for proper mesh and drivetrain performance, making this a direct drop-in for builders maintaining or rebuilding their RB7.5. Features: 48 pitch tooth profile 72 tooth count Plastic construction Direct replacement for Ultima RB7.5 drivetrain 7/7/26 cs