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Shimano Post Mount Brake Adapter

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Article number: SM-MA-F203P/P

Post to Post Brake Adaptors.


+20 is a great option if you want to go up 20mm in brake rotor size (like 160mm to 180mm)

+23 takes you from 180mm to 203mm, for example, a more current fox 36 to 203mm.

+43 much like the +23 can get you into 203mm range, likely from an older fork or smaller frame with a 160mm standard. 


Post to post disc brake adapter.

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