{"product_id":"hope-rx4-complete-caliper-fmf-20-min-brakes-for-dropbar-bikes-flat-post-mount","title":"Hope Rx4+ Complete Caliper Fmf+20 Min Brakes for Dropbar Bikes Flat \u0026 Post Mount","description":"\u003cp\u003eThe Hope Rx4+ Caliper Complete - Fmf+20 - Min Brakes offer a perfect solution for riders seeking precise and reliable braking performance on dropbar setups. Engineered with a slimline 4-piston lightweight design, these calipers deliver exceptional stopping power while maintaining a sleek profile. The monobloc construction enhances stiffness, reducing the fuzzy lever feel and minimizing brake pad rub, ensuring smooth and confident control on every ride.\u003c\/p\u003e\n\n\u003cp\u003eCompatible with 140, 160, and 180mm rotors, these calipers are available in both Flat Mount front \u0026amp; rear and Post Mount configurations, making them versatile for a wide range of bike frames. Crafted from CNC machined 2014 T6 aluminium, they combine durability and lightweight excellence. Choose from a vibrant palette of Black, Silver, Red, Blue, Purple, and Orange to match your bike’s style. Top entry pad fitting simplifies maintenance, while distinct bore caps indicate whether the caliper uses DOT fluid or mineral oil, providing clarity and ease of use.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It’s Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-performance braking on dropbar bikes with Flat Mount and Post Mount compatibility\u003c\/li\u003e\n  \u003cli\u003eReliable stopping power with 4-piston design for better modulation and control\u003c\/li\u003e\n  \u003cli\u003eDurable and lightweight build with CNC machined 2014 T6 aluminium\u003c\/li\u003e\n  \u003cli\u003eEasy maintenance thanks to top entry pad fitting and clear fluid type indicators\u003c\/li\u003e\n  \u003cli\u003eWide rotor compatibility (140, 160, 180mm) for flexible setup options\u003c\/li\u003e\n  \u003cli\u003eCustomization with multiple color choices to suit your personal style\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat It’s NOT Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eUse with brake systems outside of Hope's specifications or third-party brands like Shimano and SRAM\u003c\/li\u003e\n  \u003cli\u003eApplications requiring brake calipers designed exclusively for flat bar setups\u003c\/li\u003e\n  \u003cli\u003eRiders looking for calipers incompatible with the specified rotor sizes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eAre these calipers compatible with all disc rotors?\u003c\/strong\u003e\u003cbr\u003eThey are designed to fit 140, 160, and 180mm rotors, ensuring broad compatibility with most common rotor sizes used on dropbar bikes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat fluid types do these calipers use?\u003c\/strong\u003e\u003cbr\u003eHope Rx4+ calipers come in two variants: those using DOT fluid, identified by bore caps with a 'D' etched, and those using mineral oil, marked with an 'M' etched on the bore caps.\u003c\/p\u003e","brand":"Hope","offers":[{"title":"Orange","offer_id":45477615796399,"sku":"HBSPC76C","price":100.05,"currency_code":"GBP","in_stock":true},{"title":"Black","offer_id":45477615829167,"sku":"HBSPC76N","price":100.05,"currency_code":"GBP","in_stock":true},{"title":"Purple","offer_id":45477615861935,"sku":"HBSPC76PU","price":100.05,"currency_code":"GBP","in_stock":true},{"title":"Silver","offer_id":45477615894703,"sku":"HBSPC76S","price":100.05,"currency_code":"GBP","in_stock":true},{"title":"Red","offer_id":45477615927471,"sku":"HBSPC76R","price":100.05,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/2003\/4223\/files\/1619524354-43204800.jpg?v=1768516724","url":"https:\/\/www.swinnertoncycles.co.uk\/products\/hope-rx4-complete-caliper-fmf-20-min-brakes-for-dropbar-bikes-flat-post-mount","provider":"Swinnerton Cycles","version":"1.0","type":"link"}