Carbon Brake Lever – weight savings, reliability, rigidity, mechanical strength, corrosion-proof, long fatigue life.
Body in technopolymer with long carbon fibre – mechanical strength and corrosion proof, maximum weight savings, rigidity, minimum ageing
Lightened internal mechanism on bearings – operating weight savings, minimum friction, minimum wear, low weight
Silicone Hood – anallergic, elastic, memory of form, stability with [...]

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The profile of the teeth is designed with Ultra-Drive™ geometry which facilitates the passage of the chain on the sprockets and makes shifting precise, fast and silent.
Available from this year, the 11-25 combination is ideal if combined with CT™-type cranksets.
Ultra·Drive™
Single sprockets
Nickel-chromed finish
Supplied without lockring
Weight 250gmPrice:
11-23 £257.40
12-25 £277.40
13-26 £287.40
Available from AllTerrainCycles.co.uk
[...]

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The Record™ crankset with integrated bottom bracket is the most technologically advanced version of the Ultra-Torque™ system.
The oversize axle system with outer cups is combined with a carbon fibre structure which is completely hollow internally Not only is the main crank arm hollow, but also the small arms supporting the chainrings of the RH crank.
We [...]

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Specifications:
High performance 10 speed road STI set
Ergonomic shift arc follows natural hand movement, and ergonomic lever hoods provide even more comfort.
Robust internal mechanism.
Same light shift action and feel as Dura-Ace STI’s.
Reduced inward stroke distance for rapid and precise gear changes
Flightdeck compatible.
For use with 10 speed triple Chainset only.
Weight: 490g per set
Price:
RRP: £210.00
WebPrice: £190.50
Available from AllTerrainCycles.co.uk
[...]

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Specification:
Ergonomically designed 10-speed 105 Dual control Levers
Ergonomic shift arc follows natural hand movement, and ergonomic lever hoods provide even more comfort
Robust internal mechanism
Inward stroke distance is reduced by 10 mm for rapid and precise gear changes
Same effortless shifting action and feel as
Dura-Ace STIs
Double and triple compatible
Flightdeck compatible
Comes complete with silicon greased cables to further reduce [...]

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for MTB & Trekking
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Shimano XTR CS-M970 Cassette 9-speed
The new XTR cassette, with new, three part aluminium carrier and super light weight titanium cogs.
Material: steel, titanium, aluminium
Weight: approx. 224 gram (11-32 teeth)
Nuance of sprocket / Gearing:

11-12-14-16-18-21-24-28-32, Price: £78.69
11-13-15-17-20-23-26-30-34, Price: £86.58

Fitting for derailleur: Shimano 9 speed
From Bike24.com
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Shimano SLX CS-HG80 Cassette 9-speed
The new Shimano SLX cassette with extreme stiffness, superior [...]

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Racers and enthusiasts are always looking to reduce weight without sacrificing performance. One way we’ve done this is replacing our steel-and-titanium sprocket set with an all-titanium one, now manufactured in the Ultra·Drive profile. Its tooth profile contributes to Records precise and smooth gear changing.
Product Name: Campagnolo Record Cassette UD 10s Titanium
Material: Titanium
Weight: approx. 156 gram (at 11-23 [...]

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The X-SL series are the lightest chains in their class, furthermore, because of the weight reduction the chain has many important benefits such as super fast shifting, smoother action and even a significant reduction of “Chain-Suck”. The open inner plate construction facilitates the removal of dirt from within the drive train.
The hollow pin is riveted [...]

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The Ultegra 10-speed Cassette in different ratios
Product Name: Shimano Ultegra CS-6600 Cassette 10-speed
Weight: approx. 235 gram (at 12-25 teeth)
Nuance of sprocket / Gearing:

11-12-13-14-15-16-17-19-21-23
12-13-14-15-16-17-18-19-21-23
12-13-14-15-16-17-19-21-23-25
12-13-14-15-16-17-19-21-24-27
13-14-15-16-17-18-19-21-23-25
14-15-16-17-18-19-20-21-23-25
15-16-17-18-19-20-21-22-23-25

Price: from £31.16
From Bike24.com

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