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£289.00
Save £91.00 (23%)
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Was £380.00
Ultegra Shadow design with Di2 technology, shifting is easy and precise - just a light touch, as soft as a mouse click, is sufficient for the front or rear derailleur to instantaneously select the correct gear. The rear derailleur is now the brains of the system with wireless connectivity to the shifters. It acts as the point the system is charged, provides ANT+ connection to 3rd party devises and replaces the handlebar junction. Button on the derailleur for Di2 operations, and LED light denotes synchronized shift mode, setting mode and charge requirements. Sleek appearance with Low profile Shadow design construction reduces risk of damage in a crash. Programmed automatic motion at the touch of a switch makes this derailleur quick, smooth and effortless to shift. The removal of traditional mechanical cables in favour of electrical wires not only eliminates poor shifting caused by contaminates, corrosion and stretching, but provides effortless gear shifts. Derailleur contains a saver (fuse) function, where the inner structure is protected from strong impacts. High tolerance cold forged aluminium link plates and body construction is extremely light and durable. Four self-lubricating micro-machined fluorine-coated link pivot bushings provide low-friction shifting. 12-speed E-tube Di2 compatible. Wide gear ratio compatible up to 11-34T.
Transition Cycles Limited is a company registered in England & Wales with company number 06566083.
Registered office: 15 Grove Place, BEDFORD, MK40 3JJ. VAT number: 933 3985 95.
Transition Cycles Limited acts as a credit broker and only offers credit products from Secure Trust Bank Plc. trading as V12 Retail Finance. Transition Cycles Limited is authorised and regulated by the Financial Conduct Authority. Our registration number is 793340. Credit provided subject to age and status.
©2026, Transition Cycles Limited.
