Campagnolo Chorus 11 Speed GroupsetThe Campagnolo Chorus drivetrain represents the perfect solution for the sophisticated cyclist searching for Super Record performance at a more competitive price. The Chorus groupset is the optimum choice for those wanting the best results that a mechanical groupset can offer, combined with appeal and Italian design at the best price possible. Crankset: This completely redesigned crankset represents increased rigidity as well as fresh and cutting edge aesthetics Ultra-Torque™ axleNew chainringsDifferentiated number of pins depending on the chainring combinationHollow crank and spider arms with Ultra-Hollow™ TechnologyDouble standardized bolt circle diameter on all combinationsX.P.S.S ™ Extreme Performance Shifting System Bottom bracket includedShifters:From any position on the handlebars, the ergonomics of Ergopower™ controls enable you to grip the controls more firmly New Vari-Cushion™ brake lever hoods with variable density and surface finishesUltra-Shift™ ergonomicsUltra-Shift™ mechanism with differentiated maximum number of upshifting clicks depending on the starting sprocketBrake lever hoods and cable housing are available as spare parts in red and whiteDerailleur cable adjusting barrelRear DerailleurThe Chorus rear derailleur has changed dramatically and offers significant performance enhancements thanks to its revolutionary new design. Campagnolo engineers sought to create a more efficient and better performing rear derailleur and in doing so completely redesigned this component both inside and out Rear derailleur fixing bolts in aluminiumUltra-Shift™ exclusive geometry parallelogramEmbrace Technology™Front plate and cage in carbon fibreFront DerailleurThis system is fast, responsive, and precise, and the chain shifts across chainrings without hesitation Special inner cage designNew cage in light moulded alloyS2 System (Secure Shifting System)CSD (Chain Security Device)Derailleur cable deviator insertDerailleur clip clampFront derailleur mounting toolBrake SetFor a fast descent you need a safe and reliable braking system that is powerful and adjustable. The Chorus system offers a shorter braking distance and complete control of braking power Exclusive brake pad coupling/uncoupling systemSpecial compoundSkeleton brake armsFront/rear differentiated brakingLighter pad holdersDual pivot front/rear versionCassetteThe additional speed led us to devising a new support structure for the last six sprockets in two subsets. The form of the teeth is new and they have been treated to increase duration over time Ultra-Shift™ teeth designReinforced mounts for second and third tripletsUltra-Shift™ synchronisationNickel-Chrome surface treatmentChainThe new 5.5mm thickness has been combined with new materials and a special anti-friction treatment, which permits outstanding fluidity Ultra-Link™ chain link connecting systemUltra-Link™ chain linksSpecial steel linksAntifriction NI-PTFE™ treatmentBuy Campagnolo Components from Chain Reaction Cycles, the World's Largest Online Bike Store.