The caliper is where the Ace differs. The four-pot one-piece monobloc caliper pushes pads against the rotor that are 40-percent larger than the two-piston models. This brake’s story is its power; Hayes claims it to be its most powerful ever. The Ace costs $209. | Photo: Matt Pacocha
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The caliper is where the Ace differs. The four-pot one-piece monobloc caliper pushes pads against the rotor that are 40-percent larger than the two-piston models. This brake’s story is its power; Hayes claims it to be its most powerful ever. The Ace costs $209. | Photo: Matt Pacocha