Girodisc

Girodisc McLaren 390mm Front Replacement Rings These Girodisc D1-206 front replacement rings are sold as rings only and include replacement hardware. They are engineered to be used with existing Girodisc aluminum hats and are not compatible with OEM or other aftermarket hats. Vehicle Fitment McLaren models with 390 mm Girodisc front brake rotors Refresh Your Two-Piece Front Rotors Machined from proprietary high-carbon iron to Girodisc specifications, these rings deliver stable performance and heat capacity for demanding use. The 48 curved vane design promotes airflow through the hub for effective cooling during repeated braking events. Features Replacement rings only; reuse Girodisc hats Includes replacement hardware High-carbon iron rings for consistent braking 48 curved vanes for cooling under heavy use Cost-effective service solution for track and street Girodisc McLaren 390mm Front Replacement Rings FAQs: Do these include hats? No, these are rings only and require existing Girodisc hats. Can I use OEM hats? No, only Girodisc hats are compatible. Are these sold in pairs? Yes, rings are sold in pairs with hardware. What is the part number? D1-206 for McLaren 390 mm front applications. Related Products A1-206 Girodisc McLaren 390mm Front Rotors A2-206 Girodisc McLaren 390mm Rear Rotors D2-206 Girodisc McLaren 390mm Rear Replacement Rings

D1-211 Girodisc Front Rotor Ring Replacements REPLACEMENT ROTOR RINGS ONLY. INCLUDES NEW INSTALLATION HARDWARE. DOES NOT INCLUDE ALUMINUM HATS. Competition Motorsport is an authorized dealer for Girodisc products. As one of the largest stocking dealers in the country, we ship most Girodisc products the same or next business day to ensure we meet your delivery deadline. These Girodisc replacement rotor rings are direct replacements for the iron discs on your Girodisc two-piece rotors, and no modifications are necessary. New cap screws and washers are included with these replacement rotors. We do not recommend re-using the old hardware. The replacement rotor rings 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 their own specifications and are cadmium plated for corrosion resistance. The alloy drive pins transfer the load from the brake action while maintaining the axial and radial float between the disc rotor and hat. The pins are secured by grade 12 cap screws with hardened washers and mounted with anti-noise spring washers to allow for heat expansion while eliminating the rattle and noise associated with floating rotors. The two-piece Girodisc design allows for rotor ring-only replacement to minimize replacement costs and deliver outstanding performance and cooling. Sold/priced per pair.

D1-216 Girodisc Front Replacement Rotor Rings Fits Audi B9 RS5 REPLACEMENT ROTOR DISCS ONLY, DOES NOT INCLUDE ALUMINUM HAT. Competition Motorsport is an Authorized dealer for GiroDisc products and we are one of the largest stocking dealers in the country.  We ship most products same or next business day to ensure we meet your delivery deadline. 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 corrosion resistance. The alloy drive pins transfer the load from the brake action while maintaining the axial and radial float between the disc rotor and hat.  The pins are secured by grade 12 cap screws with hardened washers and mounted with anti-noise spring washers to allow for heat expansion while eliminating the rattle and noise associated with floating rotors. The 2-piece GiroDisc design allows for rotor only replacement to minimize replacement costs and deliver outstanding performance and cooling. Sold/Priced per pair.

D1-220 Girodisc BMW F8X, G8X 400mm Front Replacement Rings Price: $980.00 D1-220 are front rings only for Girodisc 400 mm front rotor kits. Sold in pairs with new hardware; reuse your existing Girodisc aluminum hats. Rings are engineered exclusively for Girodisc hats and will not fit OE or other aftermarket hats. Vehicle Fitment BMW G80/G81 M3 with CCB – Front (for A1-322 kits) BMW G82/G83 M4 with CCB – Front (for A1-322 kits) Also fits applicable F8X 400 mm Girodisc front kits (verify kit number) Serviceable Two-Piece Design High-carbon iron rings with curved vanes manage heat under repeated stops. New drive pins, clips, and Belleville washers restore proper float and clamp force when refreshing your rotors. Features Replacement rings only; hardware included 400 mm OD; direct fit for Girodisc 400 mm front hats High-carbon iron; USA-poured and machined Curved-vane cooling geometry Sold/priced per pair D1-220 FAQs Are these for all G8X front rotors? They fit Girodisc 400 mm hats (e.g., A1-322). They do not fit OE or non-Girodisc hats. Minimum thickness? Follow Girodisc service spec for your kit; replace sooner if any crack reaches the ring edge. Can I reuse old hardware? No — always install the supplied new hardware and torque per the instructions. Do I need to re-bed pads? Yes — re-bed after ring replacement to stabilize the friction layer. Related Products A1-322 Girodisc BMW G8X M3, M4 Front Iron Rotor Conversion A2-322 Girodisc BMW G8X M3, M4 Rear Iron Rotor Conversion D2-322 Girodisc BMW G8X Iron Conversion Rear Replacement Rings

Girodisc D1-220 Replacement Rotor Rings (400mm) Girodisc replacement rotor rings are direct replacements for the iron discs on your Girodisc A1-220 400mm two-piece rotors, with no modifications necessary. New cap screws and washers are included with these replacement rotors. We do not recommend re-using the old hardware. (This kit is contains two cast-iron discs and associated hardware. No aluminum center hat.) The replacement rotor rings 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 and are cadmium plated for corrosion resistance. The alloy drive pins transfer the load from braking while maintaining the axial and radial float between the disc rotor and hat. The pins are secured by grade 12 cap screws with hardened washers and mounted with anti-noise spring washers to allow for heat expansion while eliminating the rattle and noise associated with floating rotors. Rotor ring-only replacement helps to minimize costs and deliver outstanding performance. Sold/priced per pair.

D1-228 Girodisc Front Rotor Ring Replacements Fits the Lamborghini Huracán Super Trofeo only REPLACEMENT ROTOR RINGS AND HARDWARE ONLY. DOES NOT INCLUDE ALUMINUM HATS. Competition Motorsport is an authorized dealer for Girodisc products and we are one of the largest stocking dealers in the country. We ship most products same or next business day to ensure we meet your delivery deadline. The Girodisc replacement rotor system is a direct rotor disc replacement for the OEM 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 their own specifications and are cadmium plated for corrosion resistance. The alloy drive pins transfer the load from braking while maintaining the axial and radial float between the disc rotor and hat. The pins are secured by grade 12 cap screws with hardened washers and mounted with anti-noise spring washers to allow for heat expansion while eliminating the rattle and noise associated with floating rotors. The 2-piece Girodisc design allows for rotor only replacement to minimize replacement costs and deliver outstanding performance and cooling. Sold/Priced per pair.

D1-232 Girodisc Front Rotor Rings (390mm) REPLACEMENT ROTOR RINGS ONLY. INCLUDES NEW INSTALLATION HARDWARE. DOES NOT INCLUDE ALUMINUM HATS. Competition Motorsport is an authorized dealer for Girodisc products. As one of the largest stocking dealers in the country, we ship most Girodisc products the same or next business day to ensure we meet your delivery deadline. These 390mm Girodisc replacement rotor rings are direct replacements for the iron discs on your Girodisc two-piece rotors, and no modifications are necessary. New cap screws and washers are included with these replacement rotors. We do not recommend re-using the old hardware. These rings will not work with factory center hats. They are designed to work with Girodisc hats only. The replacement rotor rings 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 their own specifications and are cadmium plated for corrosion resistance. The alloy drive pins transfer the load from the brake action while maintaining the axial and radial float between the disc rotor and hat. The pins are secured by grade 12 cap screws with hardened washers and mounted with anti-noise spring washers to allow for heat expansion while eliminating the rattle and noise associated with floating rotors. The two-piece Girodisc design allows for rotor ring-only replacement to minimize replacement costs and deliver outstanding performance and cooling. Sold/priced per pair.

D1-242 Girodisc Front Replacement Rotor Rings Fitment: Chevrolet Corvette C8 Z51 REPLACEMENT ROTOR DISCS ONLY. INCLUDES NEW INSTALLATION HARDWARE. DOES NOT INCLUDE ALUMINUM HAT. Competition Motorsport is an authorized dealer for Girodisc products and we are one of the largest stocking dealers in the country.  We ship most products same or next business day to ensure we meet your delivery deadline. The Girodisc replacement rotor system is a direct rotor disc replacement for the Girodisc two-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 their own specifications and are cadmium plated for corrosion resistance. The alloy drive pins transfer the load from the brake action while maintaining the axial and radial float between the disc rotor and hat. The pins are secured by grade 12 cap screws with hardened washers and mounted with anti-noise spring washers to allow for heat expansion while eliminating the rattle and noise associated with floating rotors. The two-piece Girodisc design allows for rotor only replacement to minimize replacement costs and deliver outstanding performance and cooling. Sold/priced per pair.

D1-249 Girodisc Front Rotor Rings (380mm) REPLACEMENT ROTOR RINGS ONLY. INCLUDES NEW INSTALLATION HARDWARE. DOES NOT INCLUDE ALUMINUM HATS. Competition Motorsport is an authorized dealer for Girodisc products. As one of the largest stocking dealers in the country, we ship most Girodisc products the same or next business day to ensure we meet your delivery deadline. These 380mm Girodisc replacement rotor rings are direct replacements for the iron discs on your Girodisc two-piece rotors, and no modifications are necessary. New cap screws and washers are included with these replacement rotors. We do not recommend re-using the old hardware. These rings will not work with factory center hats. They are designed to work with Girodisc hats only. The replacement rotor rings 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 their own specifications and are cadmium plated for corrosion resistance. The alloy drive pins transfer the load from the brake action while maintaining the axial and radial float between the disc rotor and hat. The pins are secured by grade 12 cap screws with hardened washers and mounted with anti-noise spring washers to allow for heat expansion while eliminating the rattle and noise associated with floating rotors. The two-piece Girodisc design allows for rotor ring-only replacement to minimize replacement costs and deliver outstanding performance and cooling. Sold/priced per pair.

D1-268 Girodisc Front Rotor Rings REPLACEMENT ROTOR RINGS ONLY. INCLUDES NEW INSTALLATION HARDWARE. DOES NOT INCLUDE ALUMINUM HATS. Competition Motorsport is an authorized dealer for Girodisc products. As one of the largest stocking dealers in the country, we ship most Girodisc products the same or next business day to ensure we meet your delivery deadline. These Girodisc replacement rotor rings are direct replacements for the iron discs on your Girodisc two-piece rotors, and no modifications are necessary. New cap screws and washers are included with these replacement rotors. We do not recommend re-using the old hardware. These rings will not work with factory center hats. They are designed to work with Girodisc hats only. The replacement rotor rings 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 their own specifications and are cadmium plated for corrosion resistance. The alloy drive pins transfer the load from the brake action while maintaining the axial and radial float between the disc rotor and hat. The pins are secured by grade 12 cap screws with hardened washers and mounted with anti-noise spring washers to allow for heat expansion while eliminating the rattle and noise associated with floating rotors. The two-piece Girodisc design allows for rotor ring-only replacement to minimize replacement costs and deliver outstanding performance and cooling. Sold/priced per pair.

D1-272 Girodisc Rear Replacement Rotor Rings REPLACEMENT ROTOR DISCS ONLY, DOES NOT INCLUDE ALUMINUM HAT. Competition Motorsport is an Authorized dealer for GiroDisc products and we are one of the largest stocking dealers in the country.  We ship most products same or next business day to ensure we meet your delivery deadline. The GiroDisc replacement rotor system is a direct rotor disc replacement for the Giro Disc 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 corrosion resistance.  The alloy drive pins transfer the load from the brake action while maintaining the axial and radial float between the disc rotor and hat.  The pins are secured by grade 12 cap screws with hardened washers and mounted with anti-noise spring washers to allow for heat expansion while eliminating the rattle and noise associated with floating rotors. The 2-piece GiroDisc design allows for rotor only replacement to minimize replacement costs and deliver outstanding performance and cooling. Sold/Priced per pair.

D1-282 Girodisc BMW G8X Front Replacement Rings Price: $528.00 Rings only, sold as a pair with new hardware. Reuse your existing Girodisc aluminum hats. These rings are engineered for Girodisc hats only and will not fit OE or other aftermarket hats. Vehicle Fitment BMW G87 M2 – Front (for A1-282 kits) BMW G80/G81 M3 – Front (for A1-282 kits) BMW G82/G83 M4 – Front (for A1-282 kits) Quick Refresh, Track-Ready High-carbon iron rings with 72 curved vanes move air efficiently. New drive pins, clips, and Belleville washers restore proper float and clamp force for quiet street manners and durability under heat. Features Replacement rings only; includes new hardware Direct fit for Girodisc A1-282 front rotor kits High-carbon iron; USA-poured and machined 72-vane internal geometry for cooling airflow Sold/priced per pair D1-282 FAQs Minimum thickness? Replace at 34 mm or if any crack reaches the outer edge. Re-use hardware? No — install the included new hardware and torque per instructions. Re-bed pads? Yes — perform a standard bedding procedure after ring replacement. Related Products A1-282 Girodisc BMW G8X M2, M3, M4 380mm Front Rotors A2-282 Girodisc BMW G8X M2, M3, M4 370mm Rear Rotors D2-282 Girodisc BMW G8X 370mm Rear Replacement Rings

D1-291 Girodisc Front Replacement Rotor Rings One pair of Girodisc replacement 410mm rotor rings for the Girodisc A1-291 for Porsche 718 GT4RS.  two-piece floating rotor systems. Includes all necessary replacement hardware that must be used when replacing rotor rings. Sold/priced per pair.

D1-307 Girodisc Front Rotor Rings REPLACEMENT ROTOR RINGS ONLY. INCLUDES NEW INSTALLATION HARDWARE. DOES NOT INCLUDE ALUMINUM HATS. Competition Motorsport is an authorized dealer for Girodisc products. As one of the largest stocking dealers in the country, we ship most Girodisc products the same or next business day to ensure we meet your delivery deadline. These Girodisc replacement rotor rings are direct replacements for the iron discs on your Girodisc two-piece rotors, and no modifications are necessary. New cap screws and washers are included with these replacement rotors. We do not recommend re-using the old hardware. These rings will not work with factory center hats. They are designed to work with Girodisc hats only. The replacement rotor rings 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 their own specifications and are cadmium plated for corrosion resistance. The alloy drive pins transfer the load from the brake action while maintaining the axial and radial float between the disc rotor and hat. The pins are secured by grade 12 cap screws with hardened washers and mounted with anti-noise spring washers to allow for heat expansion while eliminating the rattle and noise associated with floating rotors. The two-piece Girodisc design allows for rotor ring-only replacement to minimize replacement costs and deliver outstanding performance and cooling. Sold/priced per pair.

D1-307 Girodisc Toyota GR Supra, BMW 348mm Front Replacement Rings Price: $880.00 Rings only, sold as a pair with new hardware. Reuse your existing Girodisc aluminum hats. These rings are engineered for Girodisc hats only and will not fit OE or other aftermarket hats. Vehicle Fitment Toyota GR Supra 3.0 – Front (for A1-307 kits) BMW G-chassis with 348 mm front rotors – Front (for A1-307 kits) Quick Refresh, Track-Ready High-carbon iron rings with curved vanes move air efficiently. New drive pins, clips, and Belleville washers restore proper float and clamp force when refreshing your rotors. Features Replacement rings only; hardware included Direct fit for Girodisc A1-307 front rotor kits High-carbon iron; USA-poured and machined Curved-vane cooling geometry Sold/priced per pair D1-307 FAQs Minimum thickness? Follow A1-307 service spec (34 mm) or replace sooner if any crack reaches the outer edge. Can I reuse old hardware? No — use the supplied new hardware and torque per instructions. Related Products A1-307 Girodisc Toyota GR Supra, BMW 348mm Front Rotors A2-307 Girodisc Toyota GR Supra, BMW 345mm Rear Rotors D2-307 Girodisc Toyota GR Supra, BMW 345mm Rear Replacement Rings

D1-308 Girodisc Mercedes 360mm Front Replacement Rings These Girodisc D1-308 front replacement rings are sold in pairs and include new hardware. They are designed to bolt to existing Girodisc aluminum hats only (not compatible with OEM or other hats). Vehicle Fitment Mercedes-AMG GT (C190) 2017+ – Front (for Girodisc 360 mm kits) Design & Performance High-carbon iron rings with 48 curved internal vanes draw cooling air through the rotor. Floating two-piece construction reduces unsprung weight while reusable aluminum hats allow ring-only replacement. Features Replacement rings only; reuse your Girodisc hats Includes new drive pins, spring clips, and Belleville washers High-carbon iron rings with directional internal vanes Slotted face for stable friction and pad cleanup For Girodisc 360 mm front kits on the listed models D1-308 Girodisc Mercedes 360mm Front Replacement Rings FAQs: How do I know these rings match my hats? Verify your hat part number from the original Girodisc kit; D1‑308 mates to 360 mm front hats used in the listed AMG GT applications. What is the minimum thickness? Replace when worn to Girodisc’s stated discard thickness or if cracks reach an edge (inspect regularly for track use). Do I need threadlocker on the hardware? Use the supplied hardware and follow Girodisc torque/spec sheet; do not substitute fasteners. Can I run these with drilled pads or track pads? Yes. Slotted rings are compatible with OEM and aggressive compounds; follow pad bedding procedures. Related Products A1-308 Girodisc Mercedes 360mm Front Rotors A2-148 Girodisc Mercedes 360mm Rear Rotors D1-308 Girodisc Mercedes 360mm Front Replacement Rings D2-123 Girodisc Mercedes 360mm Rear Replacement Rings