Girodisc: New and Exclusive to Prosport Auto

Prosport Auto has recently been appointed as the exclusive NZ Distributor for all Girodisc products. Girodisc is a high-quality American designed and manufactured product, predominately focused in producing light weight disc/rotor solutions for road and race vehicles.

Girodisc rotors are 2-piece floating discs which reduce unsprung weight and improve performance over 1-piece discs.

Designed and Manufactured in-house at Girodisc in the USA, these products are available for a range of vehicles and hold a large selection of European + American models, as well as high performance Japanese models also.


The central "hat" section of each Girodisc product is made from 6061-T6 aircraft specification aluminum and the disc is made from cast iron. All discs have a curved vane design, developed in racing to act as a centrifugal pump to force cooling air through the disc. The rotor and hat have a floating mount system which utilises high strength alloy steel drive pins, manufactured by Girodisc and cadmium plated for a long lasting corrosion resistance.

These pins take the load from braking actions while maintaining the axial and radial float between the hat and disc. The pins are secured by grade 12 cap screws with hardened washers. In order to keep the rotors from making noise when cold, the pins are mounted with anti-noise spring clips on the rotor side which allow the rotor to grow with heat expansion but eliminate the rattle and noise associated with floating rotors. This float also allows the rotor to self center between the pads.
Girodisc products are a perfect option for people who are wanting to reduce weight and cracking, increase reliability and reduce wait-times on product availability (readily available in New Zealand).

Girodisc products are available for the following vehicles:
Our online catalogue will soon be available, however for any inquiries about Girodisc products, please contact Mike at Prosport Auto on (09) 238 3560 or email mike@prosportauto.co.nz


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