HYPERGLIDE+ cassettes have revolutionized off-road shifting with their seamless shifts both up and down the gear range. Now it's time for the technology to change road cycling. Even during maximal efforts up a climb or nearing the finish line, riders no longer need to back off to perform a shift. In any gear, DURA-ACE R9250 drivetrains maximize efficiency thanks to larger cogs and retain compatibility with existing 11-speed freehub bodies. All this while increasing to 12-gears
Faster, seamless shifts under maximum pedaling load
Refined 12 step gear combination provides peak efficiency and accelerating performance for every situation
Add wider 34T spec for pro-race usage
Compatible with new 12-speed and road 11-speed FREEHUB body
ackage Type
Individual package
Speeds
12-speed
Combination 11-12-13-14-15-16-17-19-21-24-27-30T
Rear Speeds 12
Combination * Titanium gear|1
11-12-13-14-15-16-17-19*-21*-24*-27*-30*T