Specifications Hign-concerned Chemical:None Type:Road Bike Freewheel Model Number:CS-R7101-12/CS-HG710-12 Material:Alloy Gear Teeth:34T/36T Freewheel Speed:10 Origin:Jp(origin) Components:Freewheel 105 12-speed Road Cassette Sprocket CS-R7101-12 A 12-speed cassette range that brings versatility to any rider or road From sprinting on the flats to climbing steep inclines, the 11-34T cassette has you covered. It is compatible with both 11-speed and 12-speed FREEHUB bodies. FEATURES Refined 12-step gear combination provides peak efficiency and accelerating performance for every situation Compatible with new 12-speed and road 11-speed FREEHUB body PRODUCT SPECIFICATIONS MODEL NOCS-R7101-12 SERIES 105 R7100 MECHANICAL Series Average weight361 TypeHG Rear speeds12 Compatible chainHG 12-speed Combination name (Group name)11-34T Combination * Titanium gear|111-12-13-14-15-17-19-21-24-27-30-34T Spline type|HG spline L2 (ROAD 12-speed dedicated) Aluminum spider arm|QTY (pcs)1 Titanium gear|QTY (pcs)0 Aluminum gear|QTY (pcs)0 Steel gear|QTY (pcs)12 TECHNOLOGIES hg_hyperglide 12-speed Road Cassette Sprocket CS-HG710-12 Wide range cassette for varied terrain drop bar riding The 11-36T 12-speed cassette offers a wide gear range of 327%. From sprinting on the flats to steep climbs, you can choose the best gear ratio to suit every situation. Gear steps are optimized for pedaling efficiency, with the first eight cogs focusing on a natural and comfortable connection, and the largest four cogs allowing you to select from a wide range of gears while avoiding abrupt gear ratio changes. FEATURES Refined 12-step gear combination provides peak efficiency and accelerating performance for every situation Compatible with new 12-speed and road 11-speed FREEHUB body PRODUCT SPECIFICATIONS MODEL NOCS-HG710-12 SERIES 105 R7100 MECHANICAL Series TypeHG Rear speeds12 Compatible chainHG 12-speed Combination name (Group name)11-36T Combination * Titanium gear|111-12-13-14-15-17-19-21-24-28-32-36T Spline type|HG spline L2 (ROAD 12-speed dedicated) Aluminum spider arm|QTY (pcs)1 Titanium gear|QTY (pcs)0 Aluminum gear|QTY (pcs)0 Steel gear|QTY (pcs)12 TECHNOLOGIES hg_hyperglide