The Hayes Dominion A4 goes for $230 per wheel without rotor or adaptor. Back order for another ~8 weeks. The brand has plenty of experience in motorsports and the technology it brought to the table was truly game-changing. Lever feel is amazing. Look forward to pulling that lever! At £44.99 the standard D-Series steel rotor is a bit pricey but it was straight and didn’t show any signs of warping during testing. So I installed the new Hayes Dominion A4 today. With an extremely light lever-action and immense stopping power, the Hayes Dominion A4 are a great choice for aggressive enduro and downhill riding. To save you buying stuff you don’t need, it’s also available without rotors and adapters. Hayes Adapter Bracket Guide; Dominion A4 Install and Set-up Guide; Dominion A2 Install & Set-Up Guide; Crosshair Equipped Brake Installation Instructions; Brake Pad Information and Burnish Process; Feel 'r Gauge (Caliper Alignment Tool) Instructions; CX/MX Mechanical Brake; Hayes Adapter Bracket Guide - What would I be missing by going with Dominion or Direttissima? Another nice surprise about the Dominions A4 is when I opened the box, there was an extra set of pads included in each brake. … Adjustable lever-handlebar distance with dial, no tools required. It’s as if Hayes decided to take the best attributes of a Sram guide and a Shimano Saint and meld them together. Hayes Dominion A4 is brake with tons of power and modulation. The British-made Hope Tech 3 MSRP is just $20 more than that of the Dominions. Aftermarket versions of the Dominion A4 brakes come with two sets of brake pads, in sintered metallic (Hayes calls these “T100”) and semi-metallic (“T106”) versions. Hayes Dominion A4 on order, along with bleed kit, rotors, spare pads... etc. Hayes Dominion A4 brakes review; Hayes Dominion A4 brakes review. The Dominion A4 master cylinder is factory tuned for the shortest dead stroke possible and a crisp bite point. Allen screw for … >>> The best mountain bike disc brakes. A user-friendly brake for the trails Our rating . I can deal with the DOT with all the money saved) Questions: - Any front/rear feel difference with the Dominion or the Direttissima with Kevlar hose? Features 4-piston brake designed for trail, enduro and DH use. DOT 5.1 Oil fluid. No problem. They went on pretty easy, the bleeding process was confusing the first time, but it went pretty smooth after that. Hayes Dominion A2 & A4 brakes. PB Forum ... to buy a rebuild kit my LBS said "oh we don't fix them anymore just buy a new lever and a new caliper and pay us to install … They give you a set of metallic and sinister pads! 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