Shimano Dura Ace 10 Speed Rear Derailleur RD7900

The Shimano Dura-Ace 10 Speed Rear Derailleur RD7900 is a high quality Dura-Ace rear mech with lightweight carbon cage and wide link design gives quick accurate shifts, and unmatched drivetrain efficiency. Suitable for all Shimano 10 speed drivetrains.

Key Features:

• Full carbon fibre inner and outer pulley plates enhance rigidity in a much lighter design
• 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