Specifications Hign-concerned Chemical:None Type:MTB Bike Freewheel is_customized:Yes Model Number:10-36/10-42/11-42T Sensitivity:108 Sounds Flywheel Adjustable Gear Number:11 Material:Steel Gear Teeth:10-42 Freewheel Speed:11 Origin:Mainland China Components:Freewheel SPEDAO 11v 10-36T/10-42/11-42T XD HG 11S Bicycle Cassette CNC k7 11v For MTB GX X1 NX M8000 11 Speed Hub Bike Freewheel 11 SPEED 10-36T XD Brand:SPEDAO Compatible: Fit for Sram XD driver body Teeth:10-11-12-14-16-18-21-24-28-32-36T Material:Chrome-Vanadium Steel and Aviation Aluminium 7075 Color: black /Silver /Golden Chain Compatibility: 11 Speed Weight: 280g+10g Finish:Vacuum plating Warranty:1-year or 10000Kms 11 SPEED 10-42T XD Brand:SPEDAO Compatible: Fit for Sram XD driver body Teeth:10-12-14-16-18-21-24-28-32-36-42T Material:Chrome-Vanadium Steel and Aviation Aluminium 7075 Chain Compatibility: 11 Speed Color: black /Silver /Golden Weight: 364g+10g Finish:Vacuum plating Warranty:1-year or 10000Kms 11 SPEED 11-42T HG Brand:SPEDAO compatible: Fit for Hyperglide(HG) driver body Teeth:11-13-15-17-19-21-24-28-32-37-42T Material:Chrome-Vanadium Steel and Aviation Aluminium 7075 Chain Compatibility: 11 Speed Color: black/Silver/Golden Weight: 320g+10g Finish:Vacuum plating Warranty:1-year or 10000Kms Main Features: Exclusivepatentintegratedringgear Specialmaterialcharacteristicscombiningsteelandaluminumalloy Theringgearismadeofapieceofalloyforgedsteel.Itshardness:HV540 60Thenutandsupportmaterialareaviationaluminumalloy,hardnessisHV175-180,Intensityis580-630MPA ,10-12%elongation