Now Available for using our Brake Caliper Stud kit with the GiroDisc brake upgrade. If the GiroDisc caliper spacers are 7mm or more, these adapter sleeves can be used to make them compatible with our brake caliper studs. Four sleeves are in each kit for one axle or stud kit. Stud kits sold separately. No adapters needed for GiroDisc spacers less than 7mm thick.