Specifications Hign-concerned Chemical:None Type:MTB Bike Freewheel is_customized:Yes Model Number: HG200-9 Sensitivity:108 Sounds Flywheel Adjustable Gear Number:8-speed Material:STEEL Gear Teeth:28 - 34T Freewheel Speed:9 Origin:Mainland China Components:Freewheel ALTUS 9-Speed Black MTB Cassette Sprocket CS-HG200-9 ALTUS - 9-Speed - HYPERGLIDE - Black - MTB Cassette Sprocket Perfect for 9-speed mountain bike drivetrains, the HG200-9 cassette offers HYPERGLIDE shifting technology and a black finish. FEATURES -Close gear steps between primary sprockets creates smooth, comfortable pedaling -Available in 11-32T, 11-34T and new 11-36T gear spec -Quick and easy assembly with cassette sprocket cap -HYPERGLIDE technology -Ride proudly with a high-end look - logo on lowest sprocket MODEL NO.: CS-HG200-9 SERIES: ACERA M3000 Series Type: HG Rear speeds: 9 Compatible chain: HG 9-speed Combination name (Group name): 11-32T (bo), 11-36T (bw) Combination * Titanium gear|1: 11-13-15-17-19-21-24-28-32T (bo) Combination * Titanium gear|3: 11-13-15-17-20-23-26-30-36T (bw) Spline type|HG spline M (10/9/8-speed, MTB 11-speed): Steel gear|QTY (pcs): 9