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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 ...

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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 ...

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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 ...

Available

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 ...

Available

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 ...

Available

Great value touring SPD Pedal with all new lightweight & stylish body Compatible with all MTB & Touring SPD shoes Single sided ...

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Shimano 7950 Dura-Ace Compact Chainset - HollowTech II 180 Mm 50 / 34T

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

Availability: Out Of Stock
Supplier: Cyclestore
SKU: 16707

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Shimano - A high end bike part manufacturer

Diameter - A measurement across a circle passing through the middle

compact - Carefuly designed to ensure an item has a minimal physical size

weight - A measure of the force applied on an object by gravity. Measured metric in grams and kilos or imperial in lbs and oz

speed - A measurement of how fast an object travels between two points

Weight - a measurement of how heavy an object appears due to the pull of gravity. For example the weight of an object on planet earth will be different to the weight of the object on the moon

Compact - something that has a lot combined within a small space.

Road - a manmade lane or a path that is used to speed up travel.

Precise - A measurement on the accuracy of something

Wide - Something with a large width.

Balance - Something that is evenly weighted to keep something upright.

Design - A drawing or styles that shows the look and functionality of something before its made.

Performance - When someone is presenting a form of entertainment, also how well someone is doing within a role.

Hollow - Something that has an empty space inside.

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Cyclestore

Cyclestore is a leading online cycle retailer, selling a large range of bicycles, bike accessories, components and clothing, together with camping and hiking equipment and ski and snowboard accessories. Cyclestore brings over 20 years shop trading experience to its online store, and the knowledgeable and helpful staff are able to answer technical queries relating to all bikes and equipment. The range of bicycles includes mountain bikes including full suspension and hard tail mountain bikes, road bikes with light, streamlined designs for fast speeds, sports hybrid bikes, comfort and leisure bikes, BMX bikes, folding bikes and touring bikes, with brands including top names such as Kona, Mongoose, Raleigh, Specialised, Giant, Carrera, Dahon and Dawes. The large range of bike accessories includes bags and panniers, bells and mirrors, bottles and hydration packs, helmets, lights, locks, cleaning accessories and pumps. Personal accessories include cycle shoes, sunglasses, reflective and safety wear and body armour.

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Shimano 7950 Dura-Ace Compact Chainset - HollowTech II 180 Mm 50 / 34T

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