Whether you're in paradoxical possession of post-mount brake calipers and a flat-mount frame or just need to correct flat-to-flat mount adapter to fit your chosen rotor size, Shimano has a Flat Mount Disc Brake Adapter to get you up and running (and stopping) in a flash. Available in a variety of post/flat and flat/flat combinations to accommodate 140mm and/or 160mm rotors, this adapter installs quickly and ensures your calipers work seamlessly with that shiny new frame. Compatibility: 140mm rotors, 160mm rotors, post-mount disc calipers, flat-mount disc calipers Includes: 1 adapter Manufacturer Warranty: 2 years UPC 689228350625 ASIN B0184UB91G Color Front, Post Caliper To Flat Mount Brand Name SHIMANO Unit Count 1.0 Count Item Weight 0.1 Pounds Finish Types Natural Manufacturer Shimano Model Number Shimano Material Type Multi Item Dimensions 8 x 4 x 1 inches Included Components Disc Brake Adaptor Manufacturer Part Number ISMMAF160PDA Manufacturer Warranty Description Limited Warranty Global Trade Identification Number 00689228350625