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Shimano Dura-Ace 7900 Bicycle Groupset

€927.35

Out of Stock

Availability: Sold out |

Description

The legend of Dura-Ace once again sets the industry standard.

Quite simply the best Shimano groupset available. A fine mix of carbon fibre, titanium and benchmark technology.

Since 1973, Shimano's Dura-Ace components have been at the forefront of pro racing and pro-level technology. Dura-Ace has continued its legacy of being proven in the peloton as well as serving as a launch pad for new technologies.

Created by definitive Shimano engineering and the latest technology, the new 7900 series Dura-Ace mechanical road group provides the ideal synergy of lightweight, durability and overall performance.

Key Features:

Rear Derailleur

  • Dura-Ace rear derailleur with lightweight carbon cage and wide link design gives quick accurate shifts, and unmatched drivetrain efficiency
  • Full carbon fibre inner and outer pulley plates enhance rigidity and significantly reduce weight
  • High tolerance cold forged aluminium link plates and body construction provide for extremely light weight, strength and durability
  • High rigidity wide outer link plates the pulley body to increase pivot joint rigidity
  • Sealed pulley bearings reduce friction and rotate silky smooth increasing efficiently
  • Four self-lubricating micro-machined fluorine-coated link pivot bushings provide low-friction shifting
  • Pulleys are made of tough DuPont Zytel for longer life and less chain noise
  • With a total capacity of 33 tooth, it is able to operate with wide gear ratios up to a 28 tooth cassette sprocket
  • Hard wearing Dura-Ace finish and graphics for long lasting good looks
  • 10-speed compatible
  • Weight: 166 grams

Front Derailleur

  • Elite road racers demand reliable and precise shifting, and with 10-speed compatibility and super-lightweight yet durable components, the Dura-Ace front derailleur delivers
  • Compatible with Dura-Ace ST7900 shifters and FC-7900 / FC7950 chainsets only for optimum shifting performance
  • Thanks to improvements in the cage design outer trim is no longer required allowing the rider to focus on racing
  • Lightweight nickel-plated forged alloy chain cage reduces weight and increases rigidity whilst resisting abrasion from the chain
  • Extra wide pivot link and optimised spring tension combined with the ST7900 STI lever gives a rigid, flex free shift while being smooth and light action
  • Forged aluminium construction reduces weight without sacrificing durability
  • Hard-wearing Dura-Ace finish
  • Maximum capacity of 16 teeth, for use with outer rings 50-56T
  • Weight: 67 g (braze-on)

Chain

  • When only the very best will do. This directional chain uses specific designs for the inner and outer plates to give the smoothest shift and best power transfer available. Hollow pins and a chrome treatment ensure this chain is both lightweight and long lasting.
  • Chain uses a directional design, inner and outer plates are shaped so as to optimise shifting and chain performance.
  • The outer plate has been designed to reduce the chance of chain suck.
  • The inner plate has been developed to provide better contact with the gears to make the chain quieter and stiffer under load.
  • Hollow link pins and perforated inner link plates for greater weight savings.
  • This chain is 10 speed compatible - 5.88mm chain width and optimised for Shimano HG systems.
  • A chrome treatment for link pins and heat treated rollers, pins and plates ensure long lasting performance.
  • A zinc-alloy finish helps prevent corrosion and keep your chain looking smart.
  • Weight: 252g (Manufacturer claimed).
  • This chain is optimised for use with Dura-Ace, but will work with all Shimano 10 speed drivetrains.
  • Please note this chain is directional and care should be taken when fitting to ensure it is on correctly.

Cassette

  • Super lightweight 10-speed cassette with a rigid alloy carrier for excellent shifting even under the most demanding gear changes
  • Hyperglide sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under load
  • Close ratio gearing allows a more efficient use of energy through finer cadence control
  • Largest sprockets are mounted on a lightweight alloy carrier to reduce weight and increase rigidity
  • 4 largest sprockets are made from titanium to reduce weight without sacrificing strength
  • Sprockets are extensively cut away and drilled to further reduce weight without reducing rigidity
  • Nickel-plated finish offers hard wearing resistance to corrosion
  • Alloy cassette lockring
  • For Super Narrow 10-speed HG chains
  • Weight 163 grams for 11-23 tooth

Shifters

  • Integral shift cable looks better, feels smoother, and handles lighter due to less weight.
  • Better access to brake lever from upper side with closer pivot; smooth braking operation. Greater controllability for a more aggressive riding style.
  • Reach adjust mechanism, customized adjustability of shift/brake positions.
  • Short stroke of the right side lever - 20% faster and smoother shifting.
  • PTFE inner cable - durable, smooth shifting and braking performance.
  • Flight deck compatible wireless speed sensor on the bracket; integrated operational buttons used without changing hand position.
  • Smooth brake shape design - ergonomic shape for comfort even during long distance racing.
  • Carbon brake lever - lighter weight and carbon design.
  • Titanium fixing band and bolt - weight saving

Brakes

  • Enhanced brake arch proportion - Quick and predictable linear response
  • Low-profile housing stop - Improved routing for reduced friction
  • New compound brake shoe - Improved stopping power
  • Spring tension adjustment - Custom feeling
  • Adjustable toe-in - Effortless setting
  • Titanium center bolt – Lightweight
  • Brake Type: Super SLR dual pivot
  • Brake pad type: R55C3
  • Cartridge Shoe Holder: Yes
  • Caliper Material: Cold forged aluminium
  • Caliper Finish: Anodized
  • Average Weight: 293g (F&R)

Chainset

  • This aerodynamically designed crankset combines new engineering features together with remarkable weight saving. High rigidity for optimal power transfer.
  • Thin walled crank - Forged aluminium crank saves weight.
  • Hollow chainring - Saves weight while maintaining strength.
  • Wider gear choice to match riders’ style or demands of situation.
  • New teeth design for better chain contact and high efficiency power transfer.

Bottom Bracket

  • The bottom bracket bearings for the HollowTech II FC-7900 crankset, which is he ultimate crankset for stiffness whilst keeping weight low for performance riding and racing
  • Minimal bearing interface gives superbly smooth rotation
  • Distinctive style that exudes quality and perfection
  • Required for installation of FC-7900 chainset, with a choice of English or Italian thread BB cups

Product Details

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Delivery & Returns

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Shimano Dura-Ace 7900 Bicycle Groupset

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Shimano Dura-Ace 7900 Bicycle Groupset