Compatibility:Rear IS mount (Frame): This adapter will only work with 160 mm. rotors.Front IS mount (Fork): This adapter will only work with 180 mm. rotors.
Function: Enables conversion from IS mount standard to flat mount system for wider brake caliper options.
Application: Suitable for road and mountain bikes tested with .Compatible with Shimano, Compatible with SRAM, Compatible with Campagnolo calipers.