{"product_id":"hayes-dominion-a4-hydraulic-brake-kit-with-regular-reach-lever-single-brake-lever","title":"Hayes Dominion A4 Hydraulic Brake Kit with Regular Reach Lever – Single Brake Lever","description":"\u003cp\u003eExperience unparalleled stopping power with the Hayes Dominion A4 Brake Kit, designed for riders who demand precision and reliability. This single brake lever kit features a regular reach lever, offering a comfortable and responsive grip tailored to your riding style. The Dominion A4's master cylinder is factory-tuned to deliver the shortest dead stroke and an exceptionally crisp bite point, ensuring immediate and confident braking response every time.\u003c\/p\u003e\n\n\u003cp\u003eBuilt with motorsports-inspired technology, the Dominion A4 calliper boasts a robust four-piston design with a cold-forged body and KingPin structural pad retention bolt for unmatched stiffness and durability. The innovative Two-Stroke dual port bleed system paired with industry-leading DOT 5.1 fluid and Kevlar™ hose guarantees consistent brake performance across all temperatures and simplifies maintenance. With the proprietary QuickBite² system and D-Series rotor, you get fast, consistent pad burnish and excellent heat management with reduced noise, enhancing your riding experience.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It’s Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eProviding precise and powerful braking control for various riding conditions\u003c\/li\u003e\n  \u003cli\u003eEnsuring consistent performance with advanced hydraulic technology\u003c\/li\u003e\n  \u003cli\u003eEasy maintenance thanks to the Two-Stroke dual port bleed system\u003c\/li\u003e\n  \u003cli\u003eCustomizable lever reach without tools for optimal comfort\u003c\/li\u003e\n  \u003cli\u003eReduced brake noise and effective heat dissipation with D-Series rotors\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat It’s NOT Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRiders seeking a complete brake set, as this kit includes only a single brake lever\u003c\/li\u003e\n  \u003cli\u003eUse with incompatible brake rotors or systems not designed for four-piston calipers\u003c\/li\u003e\n  \u003cli\u003eApplications requiring non-hydraulic braking solutions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan the lever reach be adjusted without any tools?\u003c\/strong\u003e\u003cbr\u003eYes, the Hayes Dominion A4 features tool-free reach adjustment, allowing you to customize the lever position quickly and easily to suit your hand size and riding preference.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this brake kit compatible with all types of bikes?\u003c\/strong\u003e\u003cbr\u003eThe Dominion A4 is designed primarily for mountain bikes that support hydraulic disc brakes with four-piston calipers. It is important to check compatibility with your bike’s brake mounts and rotor sizes.\u003c\/p\u003e","brand":"Hayes","offers":[{"title":"Regular Reach \/ Black\/Bronze \/ Front\/Rear","offer_id":46009312084143,"sku":"BDHYKDA4RN","price":239.99,"currency_code":"GBP","in_stock":true},{"title":"Regular Reach \/ Purple\/Black \/ Front\/Rear","offer_id":46009312116911,"sku":"BDHYKDA4RU","price":239.99,"currency_code":"GBP","in_stock":true},{"title":"Regular Reach \/ Stealth Black\/Grey \/ Front\/Rear","offer_id":46009312149679,"sku":"BDHYKDA4RX","price":239.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/2003\/4223\/files\/BDHYKDA4SN_2e0e7e3a-ac1c-4a5a-92f2-0ce63ab43aee.jpg?v=1768534143","url":"https:\/\/www.swinnertoncycles.co.uk\/products\/hayes-dominion-a4-hydraulic-brake-kit-with-regular-reach-lever-single-brake-lever","provider":"Swinnerton Cycles","version":"1.0","type":"link"}