{"product_id":"colnago-v4rs-shimano-dura-ace-9270-bike-1","title":"Colnago V4Rs Shimano Dura Ace 9270 + Vision SC45 2025","description":"\u003cp\u003e\u003cstrong\u003ePlease note: The bikes are assembled according to the manufacturer's specifications with default features according to size. For any assembly requests or specifications other than the basic ones, please contact our costumer service directly before purchase.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eV4Rs - Built to do just one thing: to win\u003c\/h2\u003e\n\u003cp\u003eThe V Series Colnago means just one thing: a bicycle made for winning races. Every detail is curated and optimized to let Pro riders dominate the most important races WorldWide, such as Monuments and Tour de France.\u003c\/p\u003e\n\u003cp\u003eThis V4Rs is equipped with \u003cstrong\u003eShimano Dura Ace 9270\u003c\/strong\u003e groupset and the following wheel variants:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFulcrum Racing 600DB\u003c\/strong\u003e\u003cbr\u003eThis is the basic model of the Racing DB family, a solution that ensures performance and reliability. In training or during rides on asphalt with the gravel bike, the great versatility of these wheels is guaranteed by the new low-profile 24mm aluminium rims with 20mm internal channel in the 2 Way Fit version, a technical solution that makes the Racing 600 DB wheels suitable for excelling in various situations, on climbs as well as in windy conditions, and for accommodating generous tyres.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShimano Dura Ace 50\u003c\/strong\u003e\u003cbr\u003eA perfect blend of reduced weight and aerodynamic performance, the all-new DURA-ACE C50 offers a revamped carbon rim for tubeless and tubular use and a new hub design that reduces weight and increases rigidity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFulcrum Wind 420DB\u003c\/strong\u003e\u003cbr\u003eThe combination of attention to aerodynamics and versatility creates Wind 420DB. It goes without saying that the design of the 40mm rim is the direct descendant of the 55mm profile: all the solutions developed for the higher profile have been brought back here, in a less specialised version.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEnve WS SES 3.4C\u003c\/strong\u003e\u003cbr\u003eVersatile, aerodynamic, light and fast. The SES 3.4 has been a staple of the SES wheel family and the latest iteration takes the best features of the previous generation SES 3.4 and 3.4 AR to create the ultimate road wheel set. There is nothing more versatile than the SES 3.4.\u003c\/p\u003e\n\u003ch2\u003e\n\u003cbr\u003eFeatures\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eThe new CC.01\u003c\/strong\u003e\u003cbr\u003eColnago Cockpit CC.01 has a drag surface reduced by up to 16% compared to the cockpits mounted on V3Rs, and at the same time the shape has been designed as a NACA-derived profile in order to have the minimum impact on the air flow, which is laminar and clean while impacting the components. This aerodynamic evolution was carried out without reducing the cockpit’s overall stiffness, which is as important as aerodynamics in sprint and acceleration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAerodynamic data\u003c\/strong\u003e\u003cbr\u003eThe performances of V4Rs are those of an aero bike. Compared to the V3Rs, in a real race setup (tested in the wind tunnel with an athlete pedalling at 50kph with 1 bottle and one empty bottle cage) Colnago measured an aerodynamic saving of 3%, corresponding to approx. 13.2 watt. With an advanced aero setup (aero wheels and aero Colnago Computer support) the bike had an aerodynamic saving of 6% (approx. 27.7 watts saved)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHeadtube geometry\u003c\/strong\u003e\u003cbr\u003eIts shape has been revised and perfectly integrated with the new lightweight fork (designed to allow an effective tire clearance up to 32mm) and with the new cockpit. Although the head set upper bearings are bigger than those of the V3Rs, allowing the cables to run inside without the need of the D-Shaped steerer column and enhancing the overall front-end stability, the overall shape has a better drag.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAccurate measuring\u003c\/strong\u003e\u003cbr\u003eColnago created internal methodologies to replicate the loading forces of standing-on-pedals and seated positions, and check the overall frame deformation and stiffness. Colnago was able then to define what it called RDS (Real-Dynamic Stiffness), and characterize them in combined multi-load conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRobustness\u003c\/strong\u003e\u003cbr\u003eThe new V4Rs significantly improves the crash worth of the most exposed parts which may be subjected to impact in racing conditions. An example is given by the completely new designed seat stays, which, besides their more aerodynamic shape, also significantly improve the flexural and impact resistance. The robustness of this design also minimizes the need of maintenance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBetter handling\u003c\/strong\u003e\u003cbr\u003eThe weight distribution has changed from the V3Rs. The front fork is now lighter and the overall weight of the frame kit + handlebar setup has been decreased of 56 grams. The result is a better handling in corners and more safety and precision when going downhill.\u003c\/p\u003e\n\u003ch2\u003e\n\u003cbr\u003eTech Specs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFrame (material): Colnago V4Rs Monocoque carbon frame \n\u003c\/li\u003e\n\u003cli\u003eFork (material, notes section): Carbon fork for disc brakes, integrated cables, 1\"1\/8 section \n\u003c\/li\u003e\n\u003cli\u003eHeadset: ID:35 OD:47 36°\/45° CeramicSpeed SLT Treated Bearings \n\u003c\/li\u003e\n\u003cli\u003eSeatpost: Carbon, 0.15 offset, D-Shape section \n\u003c\/li\u003e\n\u003cli\u003eThrough-bolt: Diameter: 12 mm. length 100 mm (front) - 142 mm (rear)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTransmission\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRear Derailleur: Shimano Dura Ace R9270 Di2 Disc - 12v \n\u003c\/li\u003e\n\u003cli\u003eFront Derailleur: Shimano Dura Ace FD-R9250 \n\u003c\/li\u003e\n\u003cli\u003eRear Derailleur: Shimano Shadow RD-R9250 12v \n\u003c\/li\u003e\n\u003cli\u003eChain: Shimano CN-M9100 12V \n\u003c\/li\u003e\n\u003cli\u003eCrankset: 52-36T option 1 (Default); 50-34T option 2 \n\u003c\/li\u003e\n\u003cli\u003eSprocket set: 11-30T option 1 (Default); 11-34T option 2 \n\u003c\/li\u003e\n\u003cli\u003eBottom Bracket: T47 Shimano with Steel Bearings \n\u003c\/li\u003e\n\u003cli\u003eCrank length: 170 mm option 1 (Standard for sizes 420 - 485); 172.5 mm option 2 (Standard for sizes 510 - 530); 175 mm option 3 (Standard for sizes 550 - 570)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBrakes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBrakes: Shimano Dura Ace R9270, 160 mm Front \/ 140 mm Rear, RT-CL900 rotors \n\u003c\/li\u003e\n\u003cli\u003eDisc size: 160 mm Front\/ 140 mm Rear - RT-CL900 rotors \n\u003c\/li\u003e\n\u003cli\u003eBrake lever: Shimano DURA-ACE ST-R9270 \n\u003c\/li\u003e\n\u003cli\u003eBrake Caliper: Standard Flat Mount\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWheels\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRims option 1\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRims: Vision SC45\n\u003c\/li\u003e\n\u003cli\u003eMaterial: Carbon \n\u003c\/li\u003e\n\u003cli\u003eRim height: Front: 39 mm - Rear: 43 mm \n\u003c\/li\u003e\n\u003cli\u003eInner rim width: 25 mm \n\u003c\/li\u003e\n\u003cli\u003eHubs: ENVE INNERDRIVE™ Premium Straight-Pull \n\u003c\/li\u003e\n\u003cli\u003eThrough-bolt: Front: HH12-100 - Rear: HH12-142 \n\u003c\/li\u003e\n\u003cli\u003eTyres: Pirelli PZero Race TLR 700x28 \n\u003c\/li\u003e\n\u003cli\u003eMax. tyre size: 30 mm (nominal width)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eComponents\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSaddle: ‘Prologo’ Prologo Dimension; ‘Selle Italia’ Novus Mg (subject to stock availability) \n\u003c\/li\u003e\n\u003cli\u003eHandlebar: Colnago CC.01 integrated Cockpit - regular geometry. \n\u003c\/li\u003e\n\u003cli\u003eHandlebar stem: CC01 integrated cockpit \n\u003c\/li\u003e\n\u003cli\u003eHandlebar Tape: Colnago Grip Black or Colnago WT23 (for WT24 colour scheme only) \n\u003c\/li\u003e\n\u003cli\u003eBottle cage: Colnago Matt Black (1x) \n\u003c\/li\u003e\n\u003cli\u003eOther accessories: Cockpit integrated multitool\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDefault components\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSize 420\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDefault crank length: 170 mm \n\u003c\/li\u003e\n\u003cli\u003eDefault stem length: 90 mm \n\u003c\/li\u003e\n\u003cli\u003eDefault handlebar width: 390 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSize 455\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDefault crank length: 170 mm \n\u003c\/li\u003e\n\u003cli\u003eDefault stem length: 100 mm \n\u003c\/li\u003e\n\u003cli\u003eDefault handlebar width: 390 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSize 485\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDefault crank length: 170 mm \n\u003c\/li\u003e\n\u003cli\u003eDefault stem length: 100 mm \n\u003c\/li\u003e\n\u003cli\u003eDefault handlebar width: 390 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSize 510\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDefault crank length: 172.5 mm \n\u003c\/li\u003e\n\u003cli\u003eDefault stem length: 110 mm \n\u003c\/li\u003e\n\u003cli\u003eDefault handlebar width: 410 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSize 530\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDefault crank length: 172.5 mm \n\u003c\/li\u003e\n\u003cli\u003eDefault stem length: 120 mm \n\u003c\/li\u003e\n\u003cli\u003eDefault handlebar width: 410 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003cstrong\u003eSize 550\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDefault crank length: 175 mm \n\u003c\/li\u003e\n\u003cli\u003eDefault stem length: 120 mm \n\u003c\/li\u003e\n\u003cli\u003eDefault handlebar width: 430 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSize 570\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDefault crank length: 175 mm \n\u003c\/li\u003e\n\u003cli\u003eDefault stem length: 130 mm \n\u003c\/li\u003e\n\u003cli\u003eDefault handlebar width: 430 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePlease note: The bikes are assembled according to the manufacturer's specifications with default features according to size. 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