V4Rs Shimano Ultegra R8170 Di2 Disc Fulcrum Racing Wind 420 DBRace Proven, Tour Tested. The Colnago V4Rs RVBO Disc is built on a platform proven at the Tour de France a cutting edge, fully integrated aero carbon road bike engineered for elite level performance. With Shimano Ultegra R8170 Di2 and Fulcrum Racing Wind 420 wheels, this machine delivers top tier speed, precision, and control. Every Watt Matters. The monocoque carbon frame maximizes stiffness to weight ratio, with aggressive race geometry and wind

progressive siping on the shoulders varies the tread’s edges to balance responsive trail-feel with tenacious grab and no instability – glued

X-HORIZON™ shifts faster

SRAM NX trigger shifter with X-ACTUATION™ technology gives you sharp

contrast and detail for an optimized experience

28 straight pull steel spokes

Easy Installation: Comes with fitting bolts for straightforward installation

precise inflation for every ride

being prepared for tire punctures or other mechanical issues

lighter and safer through-axle system

and Cyclocross riders turn to the ENVE Road Carbon Stem for a lightweight and reliable setup with optimized road feel

Can be attached to the water bottle bolts or a separate water bottle bracket Use on a bicycle

the Aeroshade Kunken offers unmatched versatility and comfort