{"product_id":"colnago-y1rs-sdm5-dura-ace-di2-road-bike-with-enve-ses-wheels","title":"Colnago Y1Rs SDM5 Dura-Ace Di2 Road Bike with ENVE SES Wheels","description":"\u003cp\u003eThe Colnago Y1Rs is a full aero road race bike built around a \u003cstrong\u003emonocoque carbon aero frame\u003c\/strong\u003e with fully integrated cable routing — developed by Colnago, one of cycling's oldest and most decorated frame builders, as a direct competitor to the fastest production road bikes available. The Y1Rs architecture prioritizes aerodynamic efficiency above all else: the frame tubes, fork, and seatstay junction are shaped specifically to reduce frontal area and manage airflow across the bike at race speeds. This is Colnago's answer to the aero-integrated category, not a rebranded platform — it was engineered in-house and refined through UCI WorldTour feedback.\u003c\/p\u003e\u003cp\u003eThe drivetrain is \u003cstrong\u003eShimano Dura-Ace R9270 Di2 12-speed electronic\u003c\/strong\u003e, paired with \u003cstrong\u003eENVE SES 4.5 carbon tubeless-ready wheels\u003c\/strong\u003e — a combination that places this bike squarely in the top tier of road race equipment. ENVE's SES 4.5 wheelset uses shape-optimized rim profiles developed in collaboration with Tour de France aerodynamics research, with different depths front (45mm) and rear (53mm) to manage steering stability while maximizing efficiency. Tires are 700x28c, a width that balances aero performance with real-world compliance on road surfaces.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eSerious road racers and gran fondo competitors who want an aero race bike from a brand with true WorldTour heritage\u003c\/li\u003e\n\u003cli\u003eRiders who want a complete race-ready build including carbon wheels without post-purchase upgrades\u003c\/li\u003e\n\u003cli\u003eCyclists who have ridden race geometry before and want the most aerodynamically optimized platform available\u003c\/li\u003e\n\u003cli\u003eThose who value Colnago's Italian racing lineage alongside modern aero engineering\u003c\/li\u003e\n\u003cli\u003eNot ideal for: riders prioritizing climbing weight over aero, endurance or gravel riders, or those new to race-geometry bikes\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eWhat to Look For\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFit requirements:\u003c\/strong\u003e The Y1Rs uses a fully integrated cockpit and race geometry — a professional fit is essential before this bike is built up\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eENVE SES wheelset:\u003c\/strong\u003e The asymmetric depth (45mm front, 53mm rear) is specific to SES aerodynamic design — understand that front and rear wheels are not interchangeable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDura-Ace Di2 generation:\u003c\/strong\u003e The R9270 group is Shimano's current 12-speed platform with wireless rear derailleur and updated ergonomics — confirm compatibility with any accessories you plan to add\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eFrame:\u003c\/strong\u003e The Y1Rs monocoque carbon construction means the frame is molded as a single integrated piece rather than assembled from bonded tubes — this improves stiffness consistency and aerodynamic shaping precision. Fully integrated cable routing keeps all lines internal from lever to caliper, eliminating exposed housing runs.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGroupset:\u003c\/strong\u003e Shimano Dura-Ace R9270 Di2 is the current top-tier electronic road group. The 12-speed cassette, wireless rear derailleur, and synchro shift capability deliver shifts that are both fast and repeatable under load — exactly what is required at race pace.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBrakes:\u003c\/strong\u003e Dura-Ace hydraulic disc brakes provide race-grade stopping power with Shimano's refined lever feel and consistent pad contact. The system is fully integrated into the frame's internal routing for a clean, drag-reducing installation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWheels:\u003c\/strong\u003e ENVE SES 4.5 carbon wheels are among the most aerodynamically tested clincher wheels available. The SES rim profile is shaped using computational fluid dynamics and wind tunnel data to reduce drag across a range of yaw angles — not just in ideal straight-line conditions. At 28c, the tire width provides a balance of compliance and rolling efficiency appropriate for race-day use.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eRider Intent Summary\u003c\/strong\u003e\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBiggest strengths:\u003c\/strong\u003e Complete race-ready aero build including ENVE SES carbon wheels and Dura-Ace Di2 — nothing needs to be upgraded before racing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTradeoffs:\u003c\/strong\u003e Integrated cockpit and race geometry demand precise fit; not a forgiving or adaptable platform for casual or endurance use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat makes it different:\u003c\/strong\u003e The ENVE SES 4.5 asymmetric wheel pairing — different rim depths front and rear, engineered for steering stability and aerodynamic efficiency simultaneously — is a specification detail specific to this build\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003e\u003cstrong\u003eVictory's Take\u003c\/strong\u003e\u003c\/h4\u003e\u003cp\u003eThe Y1Rs is one of the most complete race builds we carry at Victory Bicycle Studio — we recommend it for riders who are ready to ride it as-built and have done the fit work to justify the investment.\u003c\/p\u003e","brand":"Colnago","offers":[{"title":"White \/ L","offer_id":53464590680371,"sku":"1CCL.Y1S.OTU.D2E.S45.00L.SDM5","price":19299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0981\/3685\/0739\/files\/colnago-y1rs-sdm5-dura-ace-enve-ses-4-5-road-bike-2_f1578b1a-1a97-4c3e-a7b7-6667ab673024.jpg?v=1781114239","url":"https:\/\/victorybicyclestudio.com\/products\/colnago-y1rs-sdm5-dura-ace-di2-road-bike-with-enve-ses-wheels","provider":"Victory Bicycle Studio","version":"1.0","type":"link"}