SHIMANO SLX - 11-Speed - HYPERGLIDE - MTB Cassette Sprocket CS-M7000-11 Original Perfect for 1x and 2x MTB drivetrains, SHIMANO's M7000-11cassette offers Rider Tuned gear steps for maximum cadence control across the varied terrain of mountain biking. --High-efficiency drivetrain for aggressive trail riding --Smooth and stable shifting Wider range and smooth gear steps for 1x11 system Lightweight spider construction Average weight： 450 (11-40T), 476 (11-42T), 482 (11-46T) Combination： 11-13-15-17-19-21-24-27-31-35-40**T (bs) | 11-13-15-17-19-21-24-28-32-37-42**T (bt) | 11-13-15-17-19-21-24-28-32-37**-46**T (bu)

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