Shimano Ultegra R8150 Di2 12-speed Front Derailleur Braze On

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Description

Shimano Ultegra R8150 Di2 12-speed Front Derailleur Braze OnThe Shimano Ultegra R8150 Di2 12 speed Front Derailleur is pioneering, smooth shifting is guaranteed thanks to wireless communication with the gear levers. What's more, shifting the rear derailleur automatically trims the front derailleur Key Features: full and semi synchronized shifting programable, synchro shift compatible meaning a single shifter can control both front and rear shifting which can be fully custom tuned to your riding preferences.

Spindle size: 30mm

Starting with a defined centre tread

Able to run a broader range of smaller chainring sizes

improved braking and traction

had led to the launch of the first bike pedals with exchangeable rubber pads

3 degrees of float in each direction

Stiffer than any original equipment hanger which improves shifting performance

approximate weight 890g

The SRAM Apex 31

Improved sidewall protection compared to Grand Prix 5000 S TR

Shimano and Sram specific 40t sprockets have been designed allowing benefits that wouldn't be possible with a larger sprocket size or with a universal type design:

the clad steel / alloy / steel rotor construction allows heat generated from braking to radiate quickly through the aluminium core achieving surface temperature drops of around 50 deg c

Exchange/Return Notes