Tube Diameter
28mm
Rear Axle Diameter
30mm
Stub Axle Diameter
17mm
Wheels
132mm GFC Spec Magnesium
Wheel Hubs
Magnesium & Aluminum
Brake System
Hydraulic
Specifications
Micro • Mini • Cadet
GFC RR5 Chassis Homologation 2025–2027
The GFC RR5 Cadet is built specifically for the next generation of competitive drivers.
Featuring an all-28mm tubular chromoly steel design, the RR5 delivers the responsiveness, consistency, and adjustability young racers need as they develop behind the wheel. Designed to accommodate today's leading Cadet engine packages, the RR5 provides a versatile platform capable of growing with the driver.
