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

Combination: 11-12-13-14-15-16-17*-19*-21*-24*-27*-30*T | 11-12-13-14-15-17*-19*-21*-24*-27*-30*-34*T

Weight: 223g (11-30T) 253g (11-34T)