MTB BIKE 180mm, 203mm Disc Brake Adaptor, SHIMANO, HAYES, AVID, FORMULA, PROMAX. Convert your brakes from 160mm to 180mm, or 203mm ! the 180mm FRONT IS adaptor or the 203mm IS adaptor. OPTION to buy with the Promax AXE heavy demand stainless steel rotors, 180mm and 203mm avaiable.
