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Short Cage
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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


  • 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


  • 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

A 2 year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).

Buy Shimano Components from Chain Reaction Cycles, the World’s Largest Online Bike Store.

  • Colour: Black
  • Size: Short Cage
  • Speed: 10 Speed