Jagwire Post Mount Disc Brake Adapter Fits Model-Ultegra RX 805 This is a no compromise

This is a no compromise design: made witha particularly fine carcass and a slightly roughened slick tread

Black/Mocha Weight 325

Uses traditional BMX 4-prong freewheel remover Cassette Body Type Threaded 1

Full carbon rim is optimized to further improve tubeless tire and rim reliability with a hookless bead design that allows for the precise rim dimensions required to achieve the best tubeless performance

Jagwire Post Mount Disc Brake Adapter Fits Model-Ultegra RX 805 This is a no compromiseJagwire Disc Brake Caliper Adapters allow the use of different sized rotors to your frame or fork. Crafted with high quality aluminum Includes mounting hardware Brake Caliper Type Post Mount Mount Rotor Size 180 Post 220 Rotor, 203 Post 220 Rotor