Ultegra rear derailleur with wide link design gives quick accurate shifts & excellent drivetrain efficiency Wide outer link plates increase pivot joint rigidity to reduce shifting deflection Lightweight aluminium pulley cage helps reduce weight without sacrificing shifting performance Wide gear ratio compatible up to 28T ...

With Di 2 technology shifting is easy & precise
- just a light touch as soft as a mouse click is sufficient for the front or rear
...

With Di 2 technology shifting is easy & precise
- just a light touch as soft as a mouse click is sufficient for the front or rear
...

Digital Integrated Intelligence or Di 2: with programmed automatic motion at the touch of a switch the Dura-Ace Di 2 rear derailleur is quick smooth & effortless making for unmatched drivetrain efficiency Programmed automatic motion at the touch of a switch makes this derailleur quick smooth & effortless to shift The removal of traditional mechanical cables in favour of electrical wires not only eliminates poor shifting caused by contaminates corrosion & stretching but provides effortless gear shifts Derailleur contains a saver &40;fuse&41; function where the inner structure is protected from strong impacts 11-27T wide gear ratio capacity will cater for compact setups as well as the traditional road double Full carbon fibre inner & outer pulley plates enhance rigidity & reduce weight Titanium B axle bolt for further weight savings High tolerance cold forged aluminium link plates & body construction is extremely light & durable Four self-lubricating micro-machined fluorine-coated link pivot bushings provide low-friction shifting Pulleys are made from tough Du Pont Zytel for longer life & less chain noise 10-speed Dura-Ace Di 2 compatible Weight is 225 grams ...

Redesigned rear system with new spring mechanism Redesigned lighter shorter & more equal shifting operation Carbon pulley plate Wide link design to reduce shifting deflection & increases rigidity giving precise shifting over an extended time period Max front difference 16T Max rear sproket: 28T Total capacity: 33T Weight: 158g ...

Compatible with 11T min. top sprocket 28T max low sprocket Total capacity: 33TSMARTCAGE (11/13T) ...

A specific Shadow rear derailleur for the Capreo small-wheel bike groupset Shadow design low profile derailleur is ideally suited to folding bikes as it is more compact when folded Two fluorine-coated link pivot bushings reduce friction for a lighter shifting Alloy construction lowers weight whilst maintaining strength & durability 11-tooth pulleys run quietly & wear longer due to alternating tooth contact Steel chain guide plates 17 tooth total capacity with a 9 tooth minimum & 26 tooth maximum range ...

Shimano FT30 6 / 7-speed rear derailleur SIS rear index shifting Using the smallest cage in the Shimano range this derailleur is suitable for folding bikes or wheel sizes from 16 inch &40;compatible with single chainring only&41; Compatible with 11 tooth sprocket Wheel type cable guide provides super light shifting action ...

Shimano FT30 6 / 7-speed rear derailleur SIS rear index shifting Using the smallest cage in the Shimano range this derailleur is suitable for folding bikes or wheel sizes from 16 inch (compatible with single chainring only) Compatible with 11 tooth sprocket Wheel type cable guide provides super light shifting action ...

Great value Alivio rear derailleur offering crisp performance on- & off-road for 9-speed drivetrains Wide link design increases ...