Shimano Dura-Ace 7900 10 Speed Rear Mech
Dura-Ace rear derailleur with lightweight carbon cage and wide link design gives quick accurate shifts, and unmatched drivetrain efficiency
Features:
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
Specifications:
Cassette Compatibility: 10-speed
Maximum Sprocket: 28T
Minimum Sprocket: 11T
Maximum Front Difference: 16T
Total Capacity: 33T
Guide Pulley: sealed bearing
Tension Pulley: sealed bearing
Bracket Body: cold forged aluminum/anodized
Bracket Pivot Seal: double O-rings
Plate Body: engineered plastic/painted
Plate Pivot Seal: single O-ring
Outer Link: cold forged aluminum/anodized
Inner Link: cold forged aluminum/anodized
Link Pin Bushings: fluorine coated (4)
Outer Plate: carbon
Inner Plate: carbon
Average Weight: 166g