Description
Colnago Y1RS Ultegra DI2 Road Bike
The Colnago Y1rs Ultegra Di2 Road Bike represents a radical leap in time-trial engineering, specifically crafted for those who view every second as a battleground. By redesigning the frontal profile to be 19% smaller than its predecessors, Colnago has created a silhouette that slices through the air with surgical precision. The integration of the curved downtube and the specialized CC.Y1 handlebars ensures that airflow remains attached to the frame longer, drastically reducing the wake that typically slows a rider down. For the competitive cyclist, this translates to a tangible mechanical advantage: saving 20 watts at 50 km/h, allowing you to maintain elite speeds with significantly less physical exertion.
Uncompromising Power and Response
Speed is nothing without the stability to harness it, and the Y1rs excels by increasing frame stiffness by 3.5%. This enhancement ensures that every ounce of energy you press into the pedals is converted directly into forward momentum, providing the explosive responsiveness required for podium-topping sprints and aggressive breakaways. Despite this rigid backbone, the innovative DEFY seatpost joint introduces a sophisticated dual Y-shaped architecture. This clever bit of engineering serves a dual purpose: it cleans up the turbulence behind the rider while simultaneously absorbing high-frequency road vibrations, keeping you fresh and focused during the final kilometers of an endurance stage.
Precision Control and Integration
At the heart of the cockpit lies the CC.Y1 handlebar system featuring proprietary WYND technology. The unique gull-wing design is more than just an aesthetic choice; it is a functional masterpiece that prevents airflow separation and provides a rock-solid platform for high-speed maneuvering. This bike doesn't just feel fast in a straight line, it feels planted and predictable when the wind picks up or the course gets technical. Every component, from the aerodynamic seatpost to the custom-molded bottle cages, has been tucked into the frame’s ecosystem to create a seamless, integrated unit that looks as fast as it performs.
The Professional Edge
Equipped with the lightning-fast Shimano Ultegra Di2 electronic groupset, the Y1rs offers the flawless shifting performance demanded by modern racing. The synergy between the carbon layup and the electronic drivetrain results in a machine that feels like an extension of the rider’s own body. Whether you are a dedicated triathlete looking to shave minutes off your personal best or a road racer seeking the ultimate breakaway weapon, this bike offers a validated, wind-tunnel-tested edge. Choosing the Y1rs means investing in a legacy of Italian craftsmanship supercharged by the most advanced computational fluid dynamics available in 2026.
Please note: images are for colour illustration purposes, please see specification list for components
Technical Specification
| Frame | Colnago Y1Rs Carbon frame, UCI approved, 142mm x 12mm thru-axle |
| Fork | Colnago Y1Rs Carbon fork, 100 x 12mm thru-axle |
| Headset | CeramicSpeed SLT Bearings (Lifetime Warranty) |
| Bottom Bracket | Shimano |
| Integrated Bar | Colnago Y1Rs Integrated handlebar/stem |
| Bar Tape | Colnago Grip Black |
| Front Brake | Shimano Ultegra DI2 2 pistons caliper hydraulic, with 160mm rotor |
| Rear Brake | Shimano Ultegra DI2, 2 pistons caliper hydraulic, with 140mm rotor |
| Brake Levers | Shimano Ultegra DI2 BR-R8200 |
| Front Derailleur | Shimano Ultegra DI2 12-speed |
| Rear Derailleur | Shimano Ultegra DI2 12-speed |
| Shift Levers | Shimano Ultegra Di2 12-speed |
| Chain | Shimano Ultegra 12-speed |
| Cassette | Shimano Ultegra, 11-30t, 12-speed |
| Crankset | Shimano Ultegra, HollowTech 2, 52/36t 12-speed |
| Front Wheel | Colnago Vision SC 45 Carbon |
| Rear Wheel | Colnago Vision SC 45 Carbon |
| Front Tyre | Pirelli P Zero Race 28mm, tubeless-ready |
| Rear Tyre | Pirelli P Zero Race 28mm, tubeless-ready |
| Saddle | Prologo Dimension Road Saddle black |
| Seatpost | Colnago Y1Rs Aero Seatpost Carbon |
Built, Checked, Tuned and Tested
All our bikes are fully built, checked, tuned and tested by our Cytech qualified mechanics and then securely packaged, ready for delivery. All you have to do is add the pedals (if included), attach the handlebars to the stem and tighten them following the included detailed instructions or by watching our video and using the provided FREE tools. Visit our Bike Assembly page to see how you assemble your new bike once you receive it.
All bikes collected from our shop, are built, tested and ready to ride. For hassle-free home delivery and bike set-up from a qualified mechanic use our Premier Delivery Service.
Please note, occasionally, manufacturers may change the specification without notice. Bicycles do not come with pedals unless otherwise specified. Bikes ordered for delivery will not arrive with the pedals installed, please refer to the owners manual and pedal installation guides provided for guidance. We do not install accessories to bikes, including mudguards. Bikes ordered for delivery that have tubeless compatible tyres and rims will arrive with inner tubes installed or with tubeless valves installed, this will be brand dependent. Sealant is available to be purchased separately.
If you require any assistance please contact our Customer Care team.
Size Guide
Colnago Y1RS Ultegra DI2 Road Bike Sizing
Delivery & Returns
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Why buy your bike from Sigma Sports?
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