{"id":198906,"date":"2019-01-23T18:59:25","date_gmt":"2019-01-23T17:59:25","guid":{"rendered":"https:\/\/www.mtb-mag.com\/?p=198906\/"},"modified":"2019-01-26T10:36:02","modified_gmt":"2019-01-26T09:36:02","slug":"tested-hayes-dominion-a4-brakes","status":"publish","type":"post","link":"https:\/\/www.mtb-mag.com\/en\/tested-hayes-dominion-a4-brakes\/","title":{"rendered":"[Tested] Hayes Dominion A4 Brakes"},"content":{"rendered":"<p>After almost six months of testing, here are the results of our Hayes Dominion A4 brake test&#8230;<\/p>\n<p><iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/mj8O42qBZYc?rel=0&amp;cc_load_policy=1\" width=\"750\" height=\"420\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<h2><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Features<\/span><\/span><\/h2>\n<p><a href=\"https:\/\/www.mtb-mag.com\/wp-content\/uploads\/2018\/07\/F75R1725.jpg\"><img loading=\"lazy\" class=\"aligncenter size-medium wp-image-191354\" src=\"https:\/\/www.mtb-mag.com\/wp-content\/uploads\/2018\/07\/F75R1725-750x283.jpg\" alt=\"\" width=\"750\" height=\"283\" srcset=\"https:\/\/www.mtb-mag.com\/wp-content\/uploads\/2018\/07\/F75R1725-750x283.jpg 750w, https:\/\/www.mtb-mag.com\/wp-content\/uploads\/2018\/07\/F75R1725-768x289.jpg 768w, https:\/\/www.mtb-mag.com\/wp-content\/uploads\/2018\/07\/F75R1725.jpg 1600w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/a><\/p>\n<ul>\n<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">4-piston brake designed for trail, enduro and DH use.<\/span><\/span><\/li>\n<\/ul>\n<p><a href=\"https:\/\/www.mtb-mag.com\/wp-content\/uploads\/2018\/07\/F75R1736.jpg\"><img loading=\"lazy\" class=\"aligncenter size-medium wp-image-191360\" src=\"https:\/\/www.mtb-mag.com\/wp-content\/uploads\/2018\/07\/F75R1736-750x290.jpg\" alt=\"\" width=\"750\" height=\"290\" srcset=\"https:\/\/www.mtb-mag.com\/wp-content\/uploads\/2018\/07\/F75R1736-750x290.jpg 750w, https:\/\/www.mtb-mag.com\/wp-content\/uploads\/2018\/07\/F75R1736-768x297.jpg 768w, https:\/\/www.mtb-mag.com\/wp-content\/uploads\/2018\/07\/F75R1736.jpg 1600w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/a><\/p>\n<ul>\n<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">DOT 5.1 Oil fluid.<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Lever with ball bearing main pivot.<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Adjustable lever-handlebar distance with dial, no tools required.<\/span><\/span><\/li>\n<\/ul>\n<p><a href=\"https:\/\/www.mtb-mag.com\/wp-content\/uploads\/2018\/07\/F75R1731.jpg\"><img loading=\"lazy\" class=\"aligncenter size-medium wp-image-191356\" src=\"https:\/\/www.mtb-mag.com\/wp-content\/uploads\/2018\/07\/F75R1731-750x332.jpg\" alt=\"\" width=\"750\" height=\"332\" srcset=\"https:\/\/www.mtb-mag.com\/wp-content\/uploads\/2018\/07\/F75R1731-750x332.jpg 750w, https:\/\/www.mtb-mag.com\/wp-content\/uploads\/2018\/07\/F75R1731-768x340.jpg 768w, https:\/\/www.mtb-mag.com\/wp-content\/uploads\/2018\/07\/F75R1731.jpg 1600w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/a><\/p>\n<ul>\n<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Allen screw for vacuum stroke adjustment.<\/span><\/span><\/li>\n<\/ul>\n<p><a href=\"https:\/\/www.mtb-mag.com\/wp-content\/uploads\/2018\/09\/F75R1742.jpg\"><img loading=\"lazy\" class=\"aligncenter size-medium wp-image-191656\" src=\"https:\/\/www.mtb-mag.com\/wp-content\/uploads\/2018\/09\/F75R1742-750x500.jpg\" alt=\"\" width=\"750\" height=\"500\" srcset=\"https:\/\/www.mtb-mag.com\/wp-content\/uploads\/2018\/09\/F75R1742-750x500.jpg 750w, https:\/\/www.mtb-mag.com\/wp-content\/uploads\/2018\/09\/F75R1742-768x512.jpg 768w, https:\/\/www.mtb-mag.com\/wp-content\/uploads\/2018\/09\/F75R1742.jpg 1600w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/a><\/p>\n<ul>\n<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Each brake is factory calibrated and arrives without the lever&#8217;s free stroke.<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Aluminum pistons for heat management.<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">2 Bleedports for each caliper.<\/span><\/span><\/li>\n<\/ul>\n<p><a href=\"https:\/\/www.mtb-mag.com\/wp-content\/uploads\/2018\/09\/F75R1744.jpg\"><img loading=\"lazy\" class=\"aligncenter size-medium wp-image-191657\" src=\"https:\/\/www.mtb-mag.com\/wp-content\/uploads\/2018\/09\/F75R1744-750x323.jpg\" alt=\"\" width=\"750\" height=\"323\" srcset=\"https:\/\/www.mtb-mag.com\/wp-content\/uploads\/2018\/09\/F75R1744-750x323.jpg 750w, https:\/\/www.mtb-mag.com\/wp-content\/uploads\/2018\/09\/F75R1744-768x331.jpg 768w, https:\/\/www.mtb-mag.com\/wp-content\/uploads\/2018\/09\/F75R1744.jpg 1600w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/a><\/p>\n<ul>\n<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">The fastening screw of the pads also acts as a third contact point to rigidity &amp; power.<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">180 and 203 mm rotors, 1.95mm thick.<\/span><\/span><\/li>\n<\/ul>\n<p><a href=\"https:\/\/www.mtb-mag.com\/wp-content\/uploads\/2018\/07\/F75R1740.jpg\"><img loading=\"lazy\" class=\"aligncenter size-medium wp-image-191363\" src=\"https:\/\/www.mtb-mag.com\/wp-content\/uploads\/2018\/07\/F75R1740-750x615.jpg\" alt=\"\" width=\"750\" height=\"615\" srcset=\"https:\/\/www.mtb-mag.com\/wp-content\/uploads\/2018\/07\/F75R1740-750x615.jpg 750w, https:\/\/www.mtb-mag.com\/wp-content\/uploads\/2018\/07\/F75R1740-768x629.jpg 768w, https:\/\/www.mtb-mag.com\/wp-content\/uploads\/2018\/07\/F75R1740-1342x1100.jpg 1342w, https:\/\/www.mtb-mag.com\/wp-content\/uploads\/2018\/07\/F75R1740.jpg 1600w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/a><\/p>\n<ul>\n<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">T106 semi-metallic or sintered\u00a0pads (T100)<\/span><\/span><\/li>\n<\/ul>\n<p><a href=\"https:\/\/www.mtb-mag.com\/wp-content\/uploads\/2018\/07\/F75R1739.jpg\"><img loading=\"lazy\" class=\"aligncenter size-medium wp-image-191362\" src=\"https:\/\/www.mtb-mag.com\/wp-content\/uploads\/2018\/07\/F75R1739-750x404.jpg\" alt=\"\" width=\"750\" height=\"404\" srcset=\"https:\/\/www.mtb-mag.com\/wp-content\/uploads\/2018\/07\/F75R1739-750x404.jpg 750w, https:\/\/www.mtb-mag.com\/wp-content\/uploads\/2018\/07\/F75R1739-768x414.jpg 768w, https:\/\/www.mtb-mag.com\/wp-content\/uploads\/2018\/07\/F75R1739.jpg 1600w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/a><\/p>\n<ul>\n<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Crosshair Caliper Alignment System: aligns caliper via\u00a0two Allen screws.<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Weight (our scale): 303 grams for rear brake with\u00a0hose not yet cut. <\/span><span style=\"vertical-align: inherit;\">180mm rotor: 150 grams.<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Price: 199 euro per brake. Rotors<\/span><span style=\"vertical-align: inherit;\">: 39 euros.<\/span><\/span><\/li>\n<\/ul>\n<p><a href=\"https:\/\/www.mtb-mag.com\/wp-content\/uploads\/2018\/07\/F75R1730.jpg\"><img loading=\"lazy\" class=\"aligncenter size-medium wp-image-191355\" src=\"https:\/\/www.mtb-mag.com\/wp-content\/uploads\/2018\/07\/F75R1730-750x500.jpg\" alt=\"\" width=\"750\" height=\"500\" srcset=\"https:\/\/www.mtb-mag.com\/wp-content\/uploads\/2018\/07\/F75R1730-750x500.jpg 750w, https:\/\/www.mtb-mag.com\/wp-content\/uploads\/2018\/07\/F75R1730-768x512.jpg 768w, https:\/\/www.mtb-mag.com\/wp-content\/uploads\/2018\/07\/F75R1730.jpg 1600w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/a><\/p>\n<h2><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">On the trail<\/span><\/span><\/h2>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Tested configuration: 180mm disc at the rear, first 180mm front and then 203mm. <\/span><span style=\"vertical-align: inherit;\">Sintered and semi-metallic pads.<\/span><\/span><\/p>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">For my impressions and test results I refer you to the video you&#8217;ll find at the top. <\/span><span style=\"vertical-align: inherit;\">In summary, I really liked the Dominions for the following reasons:<\/span><\/span><\/p>\n<ul>\n<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">powerful but adaptable: they are not &#8220;on \/ off&#8221; brakes,\u00a0so it&#8217;s possible to dose the strength, partly thanks to the ergonomic levers that are easy to use with one finger.<br \/>\n<\/span><\/span><\/li>\n<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Excellent management of pads pad wear: the braking point has remained constant over time while the pads were used. <\/span><span style=\"vertical-align: inherit;\">From the picture below you can see how the consumption is constant and moves uniformly throughout the surface, a unique thing that&#8217;s rare, in my experience.<\/span><\/span><\/li>\n<\/ul>\n<p><a href=\"https:\/\/www.mtb-mag.com\/wp-content\/uploads\/2019\/01\/F75R6797.jpg\"><img loading=\"lazy\" class=\"aligncenter size-medium wp-image-198861\" src=\"https:\/\/www.mtb-mag.com\/wp-content\/uploads\/2019\/01\/F75R6797-750x166.jpg\" alt=\"\" width=\"750\" height=\"166\" srcset=\"https:\/\/www.mtb-mag.com\/wp-content\/uploads\/2019\/01\/F75R6797-750x166.jpg 750w, https:\/\/www.mtb-mag.com\/wp-content\/uploads\/2019\/01\/F75R6797-768x170.jpg 768w, https:\/\/www.mtb-mag.com\/wp-content\/uploads\/2019\/01\/F75R6797.jpg 1600w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/a><\/p>\n<ul>\n<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Ease of bleeding: the two ports on each caliper help to remove any air bubbles.<\/span><\/span><\/li>\n<\/ul>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">I found the most power with sintered pads, while the semi-metallic ones, while\u00a0noisier, needed\u00a0more braking time before\u00a0getting to temperature and working well. <\/span><span style=\"vertical-align: inherit;\">The difference between the 180 and 203mm discs up front is mainly just a power difference, while t<\/span><span style=\"vertical-align: inherit;\">he modulation remains almost constant.<\/span><\/span><\/p>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">The results were positive across the board: with the Dominion Hayes is back on the big\u00a0field in the disc brake world and I can recommend them to those looking for a powerful brake for enduro use, DH or Ebike.<\/span><\/span><\/p>\n<p><a href=\"https:\/\/hayesdiscbrake.com\/product\/dominion\/\" target=\"_blank\"><strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Hayes<\/span><\/span><\/strong><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>After almost six months of testing, here are the results of our Hayes Dominion A4 brake test&#8230; Features 4-piston brake designed for trail, enduro and DH use. DOT 5.1 Oil fluid. Lever with ball bearing main pivot. Adjustable lever-handlebar distance with dial, no tools required. Allen screw for vacuum stroke adjustment. Each brake is factory calibrated and arrives without the lever&#8217;s free stroke. Aluminum pistons for heat management. 2 Bleedports for each caliper. The fastening screw of the pads also acts as a third contact point to rigidity &amp; power. 180 and 203 mm rotors, 1.95mm thick. T106 semi-metallic or<\/p>\n","protected":false},"author":1,"featured_media":198860,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[3683,3677],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v19.3 (Yoast SEO v19.7.2) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>[Tested] Hayes Dominion A4 Brakes | MTB-MAG.COM<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.mtb-mag.com\/en\/tested-hayes-dominion-a4-brakes\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Tested] Hayes Dominion A4 Brakes\" \/>\n<meta property=\"og:description\" content=\"After almost six months of testing, here are the results of our Hayes Dominion A4 brake test&#8230; Features 4-piston brake designed for trail, enduro and DH use. DOT 5.1 Oil fluid. Lever with ball bearing main pivot. Adjustable lever-handlebar distance with dial, no tools required. Allen screw for vacuum stroke adjustment. Each brake is factory calibrated and arrives without the lever&#8217;s free stroke. Aluminum pistons for heat management. 2 Bleedports for each caliper. The fastening screw of the pads also acts as a third contact point to rigidity &amp; power. 180 and 203 mm rotors, 1.95mm thick. T106 semi-metallic or\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.mtb-mag.com\/en\/tested-hayes-dominion-a4-brakes\/\" \/>\n<meta property=\"og:site_name\" content=\"MTB-MAG.COM\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/mtbmagcom\" \/>\n<meta property=\"article:published_time\" content=\"2019-01-23T17:59:25+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2019-01-26T09:36:02+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.mtb-mag.com\/wp-content\/uploads\/2019\/01\/F75R6792.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1600\" \/>\n\t<meta property=\"og:image:height\" content=\"1067\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Marco Toniolo\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@mtbmagcom\" \/>\n<meta name=\"twitter:site\" content=\"@mtbmagcom\" \/>\n<meta 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DOT 5.1 Oil fluid. Lever with ball bearing main pivot. Adjustable lever-handlebar distance with dial, no tools required. Allen screw for vacuum stroke adjustment. Each brake is factory calibrated and arrives without the lever&#8217;s free stroke. Aluminum pistons for heat management. 2 Bleedports for each caliper. The fastening screw of the pads also acts as a third contact point to rigidity &amp; power. 180 and 203 mm rotors, 1.95mm thick. 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