{"product_id":"shimano-disc-brake-adapter-ismmaf180psa-front-180mm-is-to-pm-for-br-m535-585-765","title":"Shimano Disc Brake Adapter ISMMAF180PSA – Front, 180mm, IS to PM, for BR-M535\/585\/765","description":"\u003ch2\u003eShimano Disc Brake Adapter ISMMAF180PSA – Run a 180mm Rotor Up Front\u003c\/h2\u003e\u003cp\u003eUpgrading to a larger rotor for more stopping power? The \u003cstrong\u003eShimano ISMMAF180PSA\u003c\/strong\u003e is the precision-engineered adapter that bridges the gap between an International Standard (IS) fork mount and a Postmount (PM) brake calliper, allowing you to run a 180mm disc rotor on the front wheel. Lightweight, durable, and made from aluminium, it’s the small part that makes a big difference when you need confident, controlled braking on the descents.\u003c\/p\u003e\u003cp\u003eCompatible with Shimano brake callipers BR-M535, BR-M585, and BR-M765, this adapter is a direct-fit solution for riders looking to maximise braking performance without changing their fork.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eConverts IS (International Standard) fork mount to PM (Postmount) calliper mount\u003c\/li\u003e\n\u003cli\u003eDesigned for 180mm front disc rotors\u003c\/li\u003e\n\u003cli\u003eCompatible with Shimano BR-M535, BR-M585, BR-M765\u003c\/li\u003e\n\u003cli\u003eFront wheel use only\u003c\/li\u003e\n\u003cli\u003eLightweight aluminium construction (50 g)\u003c\/li\u003e\n\u003cli\u003eColour: Black\u003c\/li\u003e\n\u003cli\u003eIncludes adapter and mounting bolts\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Shimano\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e ISMMAF180PSA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFork mount:\u003c\/strong\u003e International Standard (IS)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalliper mount:\u003c\/strong\u003e Postmount (PM)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRotor diameter (front):\u003c\/strong\u003e 180 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Front \/ Fork\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aluminium\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 50 g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible callipers:\u003c\/strong\u003e BR-M535, BR-M585, BR-M765\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Adapter + mounting bolts\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003ch4\u003eWhat does IS to PM mean?\u003c\/h4\u003e\u003cp\u003eIS stands for International Standard — a fork mount standard where the calliper bolts directly to the fork legs horizontally. PM stands for Postmount — a standard where the calliper bolts vertically to posts on the fork. This adapter converts an IS fork so you can use a PM-compatible calliper.\u003c\/p\u003e\u003ch4\u003eWhich Shimano callipers is this adapter compatible with?\u003c\/h4\u003e\u003cp\u003eThe ISMMAF180PSA is specifically designed for use with Shimano BR-M535, BR-M585, and BR-M765 brake callipers. Please verify your calliper model before ordering.\u003c\/p\u003e\u003ch4\u003eCan I use this adapter on the rear of my bike?\u003c\/h4\u003e\u003cp\u003eNo — this adapter is designed for front wheel \/ fork use only. For rear brake adapters, please check our other brake adapter listings.\u003c\/p\u003e\u003ch4\u003eDoes this adapter work with rotors other than 180mm?\u003c\/h4\u003e\u003cp\u003eThis specific adapter (ISMMAF180PSA) is designed exclusively for 180mm rotors. Shimano produces different adapter models for other rotor sizes (e.g. 160mm, 203mm). Please select the correct adapter for your rotor size.\u003c\/p\u003e\u003ch4\u003eWhat is included in the box?\u003c\/h4\u003e\u003cp\u003eThe package includes the ISMMAF180PSA adapter and all necessary mounting bolts. No additional hardware is required for installation.\u003c\/p\u003e\u003ch4\u003eHow heavy is the adapter?\u003c\/h4\u003e\u003cp\u003eThe Shimano ISMMAF180PSA weighs just 50 grams, making it a negligible addition to your bike’s overall weight.\u003c\/p\u003e","brand":"Shimano","offers":[{"title":"Default Title","offer_id":57204887257353,"sku":"2090323600","price":14.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0082\/4128\/3143\/files\/5d53794e99415f6d75b3130c66aff954_JPG.webp?v=1784323633","url":"https:\/\/silverbackbikes.de\/de\/products\/shimano-disc-brake-adapter-ismmaf180psa-front-180mm-is-to-pm-for-br-m535-585-765","provider":"Silverback Bikes","version":"1.0","type":"link"}