Shimano Ultegra R8100 12-Speed Bicycle Cassette

Even during maximal efforts up a climb or racing, riders no longer need to back off to shift. In any gear, Ultegra R8150 drivetrains maximize efficiency thanks to larger cogs and retain compatibility with existing Hyperglide freehub bodies. All this while increasing to 12-gears, Ultegra R8100 Bicycle Cassette are the new paradigm in road shifting.

Product details

Compatible with new 12-speed Shimano freehub body and road 11-speed freehub body
Refined 12 step gear combination provides peak efficiency and accelerating performance for every situation
Larger driving cogs maximize drivetrain efficiency
Steel cogs with aluminum spider arm
Includes aluminum cassette lockring

Manufacturer part #	ICSR810012130	ICSR810012134
Teeth	11-30t	11-34t
Speed	12	12
Weight	297g	348g

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Electra brand

Electra brand

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