Righetti Solid Brake Rotor Hubs Hub Inner Diameter (ID):30mm With these simple stop pack

With these simple stop pack attachments

which is useful for fitting non-OEM nerf bars on select chassis

Excellent tool to adjust engagement RPM and therefore the performance of the Max Torque Clutch on your go kart

Imagine spending money and time on a nice engine

Righetti Solid Brake Rotor Hubs Hub Inner Diameter (ID):30mm With these simple stop packSolid Brake Rotor Hubs for 25mm or 30mm axles. Ideal for older racing go karts in the Kid Kart or Cadet categories. Available in several anodized colors: Black Silver Gold Available for 25mm or 30mm axles. Aluminum hub with (2) M6 cinch bolts to prevent lateral slip of hub on axle. Milled keyway grooves for 6mm or 8mm width keyways, so it works on all types of karts! Each brake hub sold separately.