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Colnago might well have a crystal ball in their offices. Years ago, they decided disc brakes were the future, and they’ve been building just about everything with a disc brake model ever since. The AC-R Disc Ultegra Bike is the AC-R’s version thereof.
Fans of disc brakes say that hydraulics are where you find the real benefits of the technology. It’s because both pads squeeze the rotor, rather than just one, because the calipers adjust themselves, because the modulation is that much better. Shimano has finally released their mechanical/hydraulic STI lever and Colnago was quick to put them into use. Here, they’re commanding a Shimano 105 derailleurs, pushing a Shimano chain over a 50/34 compact crank and an 11-28 eleven-speed cassette. These pieces alone show Colnago’s desire to bring high performance down to a low price point.
Bottom Bracket Shimano
Brake Calipers Shimano BR-R785
Cassette Shimano 105 5800, 11-28
Crankset Shimano FC-RS500, 50/34
Fork Colnago AC-R Carbon Disc
Frame Material Monocoque Carbon
Front Derailleur Shimano 105 5800
Handlebar Deda RHM 01
Headset FSA No63/51E
Pedals Not Included
Rear Derailleur Shimano 105 5800
Rotors Shimano SM-RT81, 140mm CL
Saddle Selle Italia Q-Bik
Seatpost Colnago Alloy, 31.6mm
Shifters / Levers Shimano BR-RS505
Stem Deda Zero One
Tires Vittoria Zafiro, 700x23c
Wheel - Front Colnago Disc CXD26
Wheel - Rear Colnago Disc CXD26