{"product_id":"colnago-v4rs-shimano-dura-ace-9270-dura-ace-c50-bike-1","title":"Colnago V4RS Shimano Dura Ace 9270 + Dura Ace C50  2025","description":"\u003cp\u003e\u003cstrong\u003ePlease note\u003c\/strong\u003e: Photos are for illustration purposes only, please refer to the information provided below.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePlease note: Bikes are fitted according to manufacturer's specifications with default features based on size, for any fitting requests or specifications other than basic please contact customer service directly before purchase.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003e\n\u003cbr\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. This V4Rs is equipped with Shimano Dura Ace 9270 groupset and the following wheel variants:\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\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\u003cbr\u003e\u003c\/strong\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 \n\u003c\/li\u003e\n\u003cli\u003eWheels\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eRims\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRims: Shimano Dura Ace C50 WHR9270 \n\u003c\/li\u003e\n\u003cli\u003eMaterial: Carbon \n\u003c\/li\u003e\n\u003cli\u003eRim height: 50 mm \n\u003c\/li\u003e\n\u003cli\u003eInner rim width: 21 mm \n\u003c\/li\u003e\n\u003cli\u003eHubs:E-Thru Contact Hub \n\u003c\/li\u003e\n\u003cli\u003eThrough-bolt: Front: HH12-100 - Rear: HH12-142 \n\u003c\/li\u003e\n\u003cli\u003eTyres: Pirelli PZero Race 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","brand":"Colnago","offers":[{"title":"UAE \/ 42 Sloping","offer_id":48057627508977,"sku":"V4RSDACEC50UAE42","price":12821.12,"currency_code":"AUD","in_stock":true},{"title":"UAE \/ 45,5 Sloping","offer_id":48057627541745,"sku":"V4RSDACEC50UAE455","price":12821.12,"currency_code":"AUD","in_stock":true},{"title":"UAE \/ 48,5 Sloping","offer_id":48057627574513,"sku":"V4RSDACEC50UAE485","price":12821.12,"currency_code":"AUD","in_stock":true},{"title":"UAE \/ 51 Sloping","offer_id":48057627607281,"sku":"V4RSDACEC50UAE51","price":12821.12,"currency_code":"AUD","in_stock":true},{"title":"UAE \/ 53 Sloping","offer_id":48057627640049,"sku":"V4RSDACEC50UAE53","price":12821.12,"currency_code":"AUD","in_stock":true},{"title":"UAE \/ 55 Sloping","offer_id":48057627672817,"sku":"V4RSDACEC50UAE55","price":12821.12,"currency_code":"AUD","in_stock":true},{"title":"UAE \/ 57 Sloping","offer_id":48057627705585,"sku":"V4RSDACEC50UAE57","price":12821.12,"currency_code":"AUD","in_stock":true},{"title":"black multi \/ 42 Sloping","offer_id":48057627738353,"sku":"V4RSDACEC50NM42","price":12821.12,"currency_code":"AUD","in_stock":true},{"title":"black multi \/ 45,5 Sloping","offer_id":48057627771121,"sku":"V4RSDACEC50NM455","price":12821.12,"currency_code":"AUD","in_stock":true},{"title":"black multi \/ 48,5 Sloping","offer_id":48057627803889,"sku":"V4RSDACEC50NM485","price":12821.12,"currency_code":"AUD","in_stock":true},{"title":"black multi \/ 51 Sloping","offer_id":48057627836657,"sku":"V4RSDACEC50NM51","price":12821.12,"currency_code":"AUD","in_stock":true},{"title":"black multi \/ 53 Sloping","offer_id":48057627869425,"sku":"V4RSDACEC50NM53","price":12821.12,"currency_code":"AUD","in_stock":true},{"title":"black multi \/ 55 Sloping","offer_id":48057627902193,"sku":"V4RSDACEC50NM55","price":12821.12,"currency_code":"AUD","in_stock":true},{"title":"black multi \/ 57 Sloping","offer_id":48057627934961,"sku":"V4RSDACEC50NM57","price":12821.12,"currency_code":"AUD","in_stock":true},{"title":"Black - 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