IS to IS Mount Adaptor for 180mm / 7 Inch Disc Rotor
International Standard (IS) Mount Adaptor +20mm
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This adaptor is fitted between the 51mm IS brake caliper and 51mm IS mount on the frame or fork to allow a 20mm larger rotor to be fitted. For example, use this adapter to change from a 160mm rotor to a 180mm rotor, or a 165mm rotor to a 185mm rotor. Suitable for 7 inch rotors.