Every ride is different riding conditions are as reliable as the weatherman and controlling speed is just as important as maximizing it so we created hydraulic road disc hrd solutions for riders who donrsquot let circumstance compromise their ride itrsquos for the purist descending thousands of meters of mountain road reaching absurd speeds itrsquos for the cx athlete competing in the nastiest conditions imaginable itrsquos for the commuter who pedals to work rain or shine sra