ROTOR Lightweight Road Cassette (12-Speed)
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Our range of 1x12 cassettes offer you a range similar to 2x11 with a lighter, more aero, reliable combination and without changing chainrings at any time. To go from 12 to 13 speeds or vice versa, you only have to activate The Bolt in the rear derailleur, without additional parts or accessories.
12-speed compatible only
Mfr Claimed Weight