The Hollow Tech II 10-speed Dura-Ace chainset offers the optimum balance of light weight & rigidity&44; making it the global choice for road racings elite riders Shimano has raised the bar to a new level of performance with the development of a hollow outer chainring&44; giving vast improvements in rigidity & increased weight savings The hollow outer chainring has essentially removed outer chainring flex&44; hugely improving shift performance making it precise even under high load These industry leading Hollow Tech II cold forged hollow crank arms have been evolved to increase rigidity&44; reduce weight&44; & improve strength The teeth have been developed to work only in conjunction with the CN7900 chain for enhanced contact providing more efficiency & enhanced power transfer There is a wide range of chainring ratios & crank arm lengths available enabling customisation for all riders & racing disciplines Hollow Tech II integrated bottom bracket design uses a wider bearing placement & larger axle diameter for increased stiffness & efficiency Bottom bracket seal design has a minimal bearing interface gives superbly smooth rolling & increased durability Weight including bottom bracket 725 grams ...

To ensure that the signal goes from the shifter to the derailleurs the reliability of the electric cable has been proven by repeated field tests in various riding conditions including extreme temperatures rain mud & cobble stone roads The removal of traditional mechanical cables in favour of electrical wires not only eliminates poor shifting caused by contaminates corrosion & stretching but provides effortless gear shifts Dura-Ace Di 2 requires 2 cables: a handlebar cable set to connect the shifters to a battery indicator junction box & the other to connect the handlebar cable to the battery & derailleurs. This cable is for connecting the battery to derailleurs internally Internal cable sets are for bikes specifically designed for Di 2 to ensure clean lines & minimal rider interference This cable set uses a frame specific short battery mount for discreet installation with a 1010 mm battery to bottom bracket junction lead Reliable & secure water resistant connectors ...

To ensure that the signal goes from the shifter to the derailleurs the reliability of the electric cable has been proven by repeated field tests in various riding conditions including extreme temperatures rain mud & cobble stone roads The removal of traditional mechanical cables in favour of electrical wires not only eliminates poor shifting caused by contaminates corrosion & stretching but provides effortless gear shifts Dura-Ace Di 2 requires 2 cables: a handlebar cable set to connect the shifters to a battery indicator junction box & the other to connect the handlebar cable to the battery & derailleurs. This cable is for connecting the battery to derailleurs internally Internal cable sets are for bikes specifically designed for Di 2 to ensure clean lines & minimal rider interference This cable set uses a frame specific short battery mount for discreet installation with a 400 mm battery to bottom bracket junction lead Reliable & secure water resistant connectors ...

To ensure that the signal goes from the shifter to the derailleurs the reliability of the electric cable has been proven by repeated field tests in various riding conditions including extreme temperatures rain mud & cobble stone roads The removal of traditional mechanical cables in favour of electrical wires not only eliminates poor shifting caused by contaminates corrosion & stretching but provides effortless gear shifts Dura-Ace Di 2 requires 2 cables: a handlebar cable set to connect the shifters to a battery indicator junction box or Flight Deck & the other to connect the handlebar cable to the battery & derailleurs The handlebar cable set is available in two types: one for use without a Flight Deck computer instead using a simple junction box to display battery life; the other is for use with Flight Deck which can providing information like cadence gear position battery indicator & more This drop handlebar cable set for Flight Deck & has specifically been developed to use with the ST-7970 & SW-7971 shifters & switches Handlebar cables should not be cut to size or modified in any way Reliable & secure water resistant connectors ...

To ensure that the signal goes from the shifter to the derailleurs the reliability of the electric cable has been proven by repeated field tests in various riding conditions including extreme temperatures rain mud & cobble stone roads The removal of traditional mechanical cables in favour of electrical wires not only eliminates poor shifting caused by contaminates corrosion & stretching but provides effortless gear shifts Dura-Ace Di 2 requires 2 cables: a handlebar cable set to connect the shifters to a battery indicator junction box or Flight Deck & the other to connect the handlebar cable to the battery & derailleurs The handlebar cable set is available in two types: one for use without a Flight Deck computer instead using a simple junction box to display battery life; the other is for use with Flight Deck which can providing information like cadence gear position battery indicator & more This handlebar cable set for non-Flight Deck use has specifically been developed to use with the TT spec ST-7971 & SW-7971 shifters & switches Handlebar cables should not be cut to size or modified in any way Reliable & secure water resistant connectors ...

Ideal pedal for recreational riders who commute & tour Combines SPD mechanism on one side & a concave stable platform pedal body on the other you can ride with cleats or normal shoes Serviceable cup & cone bearings add to long life of the pedals Adjustable cleat tension means you can start off with loose tension for extra easy engagement & release & turn up the tension as you progress Cleats Included ...

Designed for the long rides the Active Bib-Shorts feature an anatomic seam placement breathable mesh hip panel & a resilient chamois for maximum comfort Gripper-free hem for unrestrictive pedalling even when quad muscles are flexed & to allow for natural swelling of the thighs during intense exercise Anatomical seams support smooth hip movement & provide long ride comfort Mesh panels on the hip & lumbar region keep the rider cool & reduce compression across the waist Performance 3D chamois: Seamless 3-layer density chamois for durable support & comfort on long rides Reflective elements for low light visibility Fabrics: Main body: 74% polyamide 26% elastane Side panels: 74% polyamide 26% elastane Mesh panels: 82% polyester 18% elastane ...

Interchangeable precision engineered disc calliper mount adapter. For post type disc callipers to be mounted to post type forks with 180 mm disc rotors ...

SUSTAINABLY MADE GLOVES WITH A PADLESS PALM FOR MAXIMUM CONTROL
Features: Padless palm creates a greater sense of
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AEROLITE WIDENS THE WORLD WITH A RIMLESS PANORAMIC VIEW LENS FEATURING EXCEPTIONAL CLARITY & SMOOTH AERO PROFILE. FRAME: Rimless frame creates an ultra-smooth aerodynamic surface Ultrasonic welding of frame to lens cuts weight to 23.4 g Radiused temples with non-slip pattern for secure fit & comfort Reversible nose pad features different front & back thicknesses for fit adjustment Strong durable & lightweight Grilamid TR90 frame Dual injection molded non-toxic TPE temple tips LENSE: Panoramic view 7-curve one-piece lens hugs the faces contours to maximize eye protection at high speeds Ultrasonic welding between frame & lens reduces distortion Cycling dedicated RIDESCAPE™ lens optimally tuned for greater contrast & clarity in every riding scene Coloured lens edge Full UV 400 protection Hydrophobic coating increases water-repellency keeps lenses cleaner Special anti-scratch treatment Extremely lightweight & impact resistant Polyamide (PA) lens boosts clarity ...