FEATURES ~ Wide range 11-speed cassette ~ HG-X11 specific tooth profile ~ Rhythm step gear progression >> 11-13-15-17-19-21-24-27-31-35-40 ~ Lightweight and durable cogs ~ Weight: 331g PRODUCT SPECIFICATIONS MODEL NO : CS-M9001 SERIES : XTR M9000 Series Average weight : 330 Remarks : * Titanium gear ** Aluminum gear Type : HG Rear speeds : 11 Compatible chain : HG-X11 Combination name (Group name) : 11-40T (bs) Combination * Titanium gear|1 : 11-13-15-17-19*-21*-24*-27*-31*-35*-40**T (bs) HG spline (ROAD 11-speed) : ✔ HG spline (Others) : ✔ Carbon spider arm|QTY (pcs) : 2 Aluminum spider arm|QTY (pcs) : 2 Titanium gear|QTY (pcs) : 1 Aluminum gear|QTY (pcs) : 6 Steel gear|QTY (pcs) : 4 Please visit our website at http://www.ecomtb.com.my OR https://shopee.com.my/eco_mtb ** There is 1-3cm errors due to manual measurement. Please kindly understand. ** Actual product colour may slightly vary due to photographic lighting sources or your monitor settings. ** WE DO NOT DO COD ** ONLINE ONLY ** We support original products only. ** PRICE INDICATED IS ALREADY BEST PRICE, EXCLUDE COURIER