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De Rosa Protos Dura-Ace Di2 Bike

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De Rosa Protos Dura-Ace Di2 Bike

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Product Code: Protos
Availability: In Stock

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Free, tracked Singapore delivery on orders over $100.

We offer free, tracked Singapore delivery on orders over $100, with delivery starting from $1.99 for orders below this value. There are surcharges for international deliveries, off-shore deliveries and some areas of the Singapore. We also have a selection of premium shipping options available including timed slots, Saturday delivery and Collect .

All of our bicycles are fully built by our experienced and certified mechanics prior to delivery; all you will need to do is turn the handlebars and fit some pedals. Bicycles are shipped from a different warehouse to other items and so may arrive in advance of any other items you have ordered.




We offer a 365 day returns period for all items. Items must be returned unused and in their original packaging. Postage labels and collection services are available at a small cost for all items - including bicycles. Please read our full returns before returning items.

De Rosa Protos Dura-Ace Di2 Bike

General Information

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 Dura-Ace 9000

  • Cassette Shimano Dura-Ace 9000

  • Chain Shimano HG900

  • Crankset Shimano Dura-Ace 9000

  • Fork De Rosa Carbon 1 1/8" - 1 1/4"

  • Frame Material Torayca T1100 / T800 and XN60 Carbon

  • Front Derailleur Shimano Dura-Ace Di2 9070

  • Handlebar 3T Ergonova Team Stealth

  • Headset De Rosa Integrated 1 1/8" - 1 1/4"

  • Pedals Not Included

  • Rear Derailleur Shimano Dura-Ace Di2 9070

  • Saddle Selle Italia SLR Superflow

  • Seatpost De Rosa Carbon, 31.6mm

  • Shifters / Levers Shimano Dura-Ace Di2 9070

  • Stem 3T ARX II Team Stealth

  • Tires Vittoria Corsa G+ Clincher

  • Tubes Continental Race 700

  • Wheel - Front 3T Orbis II C50 Team Clincher

  • Wheel - Rear 3T Orbis II C50 Team Clincher


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