D1-104 Girodisc Front Replacement Rotor Rings C7 Z06 w/Z07 (Ceramic) The GS1R features an open-lug

The GS1R features an open-lug center area for up to a pound in weight reduction and improved access to the lugs

keeping you cool and focused even during long races or under extreme conditions

Retro 6-Spoke design

The "Share And Compare" feature lets you compare video of your best lap alongside your friend's or teammate's personal best

D1-104 Girodisc Front Replacement Rotor Rings C7 Z06 w/Z07 (Ceramic) The GS1R features an open-lugREPLACEMENT ROTOR DISCS ONLY, DOES NOT INCLUDE ALUMINUM HAT. Thunderhill 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