{"product_id":"shimano-sm-ad91-front-derailleur-mount","title":"Shimano SM-AD91 Front Derailleur Mount","description":"\u003cp\u003eMount your braze-on front derailleur to non-braze-on frames seamlessly with the official Shimano SM-AD91 adaptor. Engineered to Dura-Ace standards, this precision clamp delivers a rock-solid foundation for flawless, flex-free shifting under heavy loads.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey Features \u0026amp; Specs\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eChameleon Precision:\u003c\/b\u003e Premium lightweight aluminum construction ensures a clean, factory-installed look.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003ePro-Level Stiffness:\u003c\/b\u003e Rigid design eliminates derailleur deflection for crisp, instantaneous front shifting.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003ePro-Spec Hardware:\u003c\/b\u003e Features lightweight titanium bolts to save weight and resist corrosion.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eSizes Available:\u003c\/b\u003e \u003cb\u003eMS\u003c\/b\u003e (Fits 28.6mm \/ 31.8mm with included shim) and \u003cb\u003eL\u003c\/b\u003e (Fits 34.9mm).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Shimano","offers":[{"title":"-MS (28.6mm \u0026 31.8mm)","offer_id":51352078385375,"sku":"ISMAD91MS","price":25.0,"currency_code":"CAD","in_stock":false},{"title":"-L (34.9mm)","offer_id":51352078418143,"sku":null,"price":25.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/5452\/3103\/files\/112fb303397298ca396ff17d2245a5087b355df8.png?v=1788892436","url":"https:\/\/alegrocycles.com\/products\/shimano-sm-ad91-front-derailleur-mount","provider":"Alegro Cycles","version":"1.0","type":"link"}