D1-031 Girodisc Front Replacement Rotor Rings (340mm) BBS Motorsport Series These drive pins transfer braking

These drive pins transfer braking load while maintaining axial and radial float between the disc and hat to allow for heat expansion

This Girodisc system upgrades the 325mm OEM one-piece rotors to a 340mm two-piece steel disc and aluminum hat

but it can also be engineered to fit other center lock hub assemblies as well as select 5-lug and 6-lug applications

1 Carrera S/GTS/4S

The drive pins bear the braking load while maintaining the axial and radial float between the hat and disc

D1-031 Girodisc Front Replacement Rotor Rings (340mm) BBS Motorsport Series These drive pins transfer brakingGirodisc D1 031 Replacement Front Rotor Rings (340mm) Replacement Rotor Rings Only No Center Hat The Girodisc replacement rotor system is a direct rotor disc replacement for the Girodisc 2 piece hat and rotor and no modifications are necessary. The rotor and hat mount together through a floating mount system which utilizes 8 10 high strength alloy steel drive pins manufactured by Girodisc in the USA to our own specifications and are cadmium plated for