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Hayes Prime Dyno Comp Disc Brakes

$79.99 $71.99

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Hayes Prime Dyno Comp Disc Brakes. Dyno is a compilation of 13 years of brake design starting with the original Mag brake in 1997. It has an industry first piston and master cylinder bore design inspired by the powerful Prime brake platform. This is Hayes’ most durable design to date.Total system weight is 418 grams.