Shimano Ultegra Di2 RX805 11 Spd Rear DerailleurShimano Ultegra Di2 RX805 11 Speed Rear Derailleur Tackle the paths less travelled with the Shimano Ultegra RX R805 11 Speed Di2 Shadow+ Rear Derailleur. Being the GS variant, this versatile derailleur is compatible with cassettes with a minimum sprocket of 11T and a maximum of 34T; perfect for undulating alpine routes. Removing the need for mechanical cables, this Di2 option eliminates poor performance caused by contaminates, corrosion or stretching,

cable-free USB stick makes charging simple

race-ready package

and style to a whole new level

Limited production with series number inside the collar

in-mold Varizorb™ EPS balances weight with performance

The Formula benefits from the same technologies that make our road helmets such champions of comfort and safety

Storm Jacket +your favourite trail= smiley face

Designed specifically for the female hand

Precision reflector provides superior luminous guidance to the front and side for up to 20 hours of ride time

CO2 can be dangerous

Medium Steady: 4:30 Hours

BUILT-IN DIAL GAUGE for accurate inflation