Shimano Dura-Ace Di2 12-speed R9250 E-tube Rear Derailleur

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Description

Shimano Dura-Ace Di2 12-speed R9250 E-tube Rear DerailleurDigital integrated intelligence or di2: with programmed automatic motion at the touch of a switch the Dura Ace Di2 rear derailleur is quick, smooth and effortless, making for unmatched drivetrain efficiency. Features: 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

Hub: DT Swiss 370 J-bend Center Lock

light enough for Road and XC use and strong enough for DH

Ideal pedal for recreational riders who commute and tour

it is possible to adjustment the cleat entry/release tension to low for an easy clip out

flex free shift while being smooth and light action

or on an adventure trip

37"x 24T Standard R/H threaded

and any other speed freak

allowing the ability to run wide tires at lower pressures for race-ready speed on or off the pavement

Quality: Performance Line

which in turn ensures maximum strength and material performance

Compatible with 89