Hayes Dominion A4 Disc Brake Set - Stealth Black/Grey Size:180mm Hose / Regular Reach Freehub for ZM1 rear hubs

Freehub for ZM1 rear hubs or 3ZERO MOTO wheels from Zipp

This weight reduction is accomplished while maintaining the strength and durability expected of a Thomson seatpost

bleeding edge fitting

5mm thick construction with advanced shift timing pins and ramps

Hayes Dominion A4 Disc Brake Set - Stealth Black/Grey Size:180mm Hose / Regular Reach Freehub for ZM1 rear hubsOne single part number for both front and rear brake (180cm hose) Introducing the all new, Stealth Dominion, our award winning Hayes Dominion A4 brakes are back adding even more ways for you to stop! Dominion's master cylinder is factory tuned for the shortest dead stroke possible and a crisp bite point. The Dominion A4 caliper utilizes four 17mm pistons in the most structurally rigid design possible. It features a cold forged caliper and KingPin