Specifications Hign-concerned Chemical:None Type:MTB Bike Freewheel is_customized:No Model Number:SLX M7000 Series Sensitivity:60 Sounds Flywheel Adjustable Gear Number:11-Speed Material:Alloy Gear Teeth:40T Freewheel Speed:10 Origin:Jp(origin) Components:Freewheel SLX 11-Speed MTB Cassette Sprocket CS-M7000-11 SLX - 11-Speed - HYPERGLIDE - MTB Cassette Sprocket 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. FEATURES High-efficiency drivetrain for aggressive trail riding Smooth and stable shifting Wider range and smooth gear steps for 1x11 system Lightweight spider construction PRODUCT SPECIFICATIONS MODEL NOCS-M7000-11 SERIESSLX M7000 Series Average weight450 (11-40T) 476 (11-42T) 482 (11-46T) Remarks** Aluminum gear TypeHG Rear speeds11 Compatible chainLINKGLIDE, HG 11-speed Combination name (Group name)11-40T (bs) 11-42T (bt) 11-46T (bu) Combination * Titanium gear|111-13-15-17-19-21-24-27-31-35-40**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) Spline type|HG spline M (10/9/8-speed, MTB 11-speed) Aluminum spider arm|QTY (pcs)1 Aluminum gear|QTY (pcs)1 (11-40T) 1 (11-42T) 2 (11-46T) Steel gear|QTY (pcs)10 (11-40T) 10 (11-42T) 9 (11-46T)