Discover all the original Shimano components for your bike at Escapa. The Shimano Ultegra Di2 RD-R8150 12-speed rear derailleuris the fastest and most precise rear derailleur on the market. The newShimano Ultegra Di2 RD-R8150 12-speed rear derailleur is more versatile than ever thanks to a single cage length option compatible with small 28-34T sprockets.
FEATURES
Our fastest rear derailleur ever, 58% faster than the RD-R9150
Compact design includes integrated wireless unit, charger, and switch
LED status indicator
Battery indicator
Pairing
Mode of adjustment, etc.
Increased range capacity
Maximum low sprocket: 34T
