Shimano Dura Ace Derailleur

Shimano Dura Ace derailleurs here include models compatible with: 7410, 7800, 7803, 7700, 7900, 7970. All use the Shimano Hollowtech plus other technology to achieve step improvements as you go up the range.

For instance, the 7900 10 speed features: 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. Hard wearing Dura-Ace finish and graphics for long lasting good looks. Weight: 166 grams.

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