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SHIMANO "DUAL PIVOT" SIDE-PULL BRAKES - An OverviewIn Shimano's Dura-Ace, Ultegra, and 105 SC series brakes, there exists a "Dual Pivot Brake". It's a side-pull brake. These brakes have three arms that form the caliper. The arm nearest the bike (1) which is held in place by the pivot bolt serves as a mounting for the arm farthest from the bike (3). Between these two is another arm (2) held in place by the pivot bolt. Arm 2 works just the way the short pivot arm has always worked. Arm 3, holding the brake pad, has a pivot bolt half way between the traditional brake and the brake pad, which is fixed to arm 1. Using the dual pivot system Shimano has shortened the travel on the long arm. The brakes respond faster, remain centered, and require fewer adjustments. SHIMANO DURA-ACE AERO STYLE (7402) BRAKE LEVERThese levers are for use with or without Shimano brakes, they are SLR compatible. Exquisitely elegant in their design, these take a small wrist movement and translate it as real force. The anatomical hood is made for full sized hands from a supple rubber, in either Black or White. The pair weighs 240 grams. Color - BK-W |