¥12,705
SHIMANO ULTEGRA CS-R8100 12-Speed Cassette Sprocket
Refined 12 step gear combination provides peak efficiency and accelerating performance for every racing situation
Faster, smoother shifts under maximum pedaling force
Compatible with new 12-speed and road 11-speed FREEHUB body
11-12-13-14-15-16-17-19-21-24-27-30T (291g)
11-12-13-14-15-17-19-21-24-27-30-34T (345g)

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