Shimano RD-R9250 Dura-Ace Di2 Rear Gears

With a built-in charging port and wireless connectivity options, the DURA-ACE RD-R9250 gives you super-fast, precise shifting on any terrain.
With one cage length, it shifts on cassettes with 28-34T as the largest sprocket, making the world´s best racing parts group even more versatile.

Features:

– Fastest rear shifting ever, 58% faster than the RD-R9150
– Compact design with integrated wireless unit, charger and switch
– LED status indicator
– Battery level indicator
– Wider gear range
– CFRP rear derailleur plate

Specifications:

– Suitable For: Direct Mount
– Gears: 12