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The Protos is the marquee frameset from the venerated Italian builder. This latest iteration is beyond anything De Rosa has made before-in over sixty years of building--and the kind of bike that influences an industry.
De Rosa has always had a reputation for making stage race bikes, stable, comfortable rides that you can ride all day every day for three weeks, and keep on going. The comfort is important because the less the bike beats you up, the fresher you are as the kilometers tick on. Here, the challenge was to decrease weight, increase stiffness and increase comfort while keeping to the kind of ride De Rosa is known for. The bike has a short front-center with a lower than common bottom bracket for fast steering and stability, making it at home whether it’s a tight crit or a hors category gran fondo.
The weight is 860g for a 50cm frame. Keeping the weight low was important, but not at the cost of comfort, stiffness, or ride.
Bar Tape Fizik Superlight Tacky
Bottom Bracket CeramicSpeed Ceramic Race, BB86
Brake Calipers Shimano Ultegra 6800
Cassette Shimano Ultegra 6800
Chain Shimano HG700
Crankset Shimano Ultegra 6800
Fork De Rosa Carbon 1 1/8" - 1 1/4"
Frame Material Torayca T1100 / T800 and XN60 Carbon
Front Derailleur Shimano Ultegra Di2 6870
Handlebar 3T Ergonova Team Stealth
Headset De Rosa Integrated 1 1/8" - 1 1/4"
Pedals Not Included
Rear Derailleur Shimano Ultegra Di2 6870
Saddle Selle Italia SLR Superflow
Seatpost De Rosa Carbon, 31.6mm
Shifters / Levers Shimano Ultegra Di2 6870
Stem 3T ARX II Team Stealth
Tires Vittoria Corsa G+ Clincher
Tubes Continental Race 700
Wheel - Front 3T Orbis II C35 Pro
Wheel - Rear 3T Orbis II C35 Pro