This A2Z Caliper Adaptor allows you to run a 20mm Larger Diameter which will increase the braking performance of your brake. Fits nearly all Disc Calipers on the Market. Remember it can be used on the Front or the Rear of your Bike. Converts IS to IS ( IS = International Standard Mounts and Calipers ). Weight: Amazing 42grams, If you're original rotor diameter is 160/165mm by adding the A2Z AD-486 adaptor to your fork or frame it will allow you to increase the rotor size by 20mm to 185mm.
