140/160mm direct mount forks and frames for 160/180mm disc brake rotor Performance Indicator : Advance Fork and Frame Mount Size ~ Front Post Mount 140mm direct mount disc rotor size 160mm (S) ~ Front Post Mount 160mm direct mount disc rotor size 180mm (M) ~ Rear Post Mount 140mm direct mount disc rotor size 160mm (S) ~ Rear Post Mount 160mm direct mount disc rotor size 180mm (M) Shimano Disc Brake Mount Adapter, Front, SM-MA-F180P/P2, (PM Caliper to PM Fork) Compatibility.... For Front Disc Brake For 180mm Rotor For Post Mount Brake Caliper For PM Mount Fork if you have all of the above, then this adapter is for you!!! Your brake caliper and frame/fork fixing will be either PM (Post Mount), or IS (International Standard) Mount. IS = 51mm (centre to centre) PM = 74mm (centre to centre) Most calipers are post mount now. Please visit our website at http://www.ecomtb.com.my OR https://shopee.com.my/eco_mtb ** There is 1-3cm errors due to manual measurement. Please kindly understand. ** Actual product colour may slightly vary due to photographic lighting sources or your monitor settings. ** WE DO NOT DO COD ** ONLINE ONLY ** We support original products only. ** PRICE INDICATED IS ALREADY BEST PRICE, EXCLUDE COURIER