Vision XDR Freehub for SC40/55 DB CL U5126/U5131 ModelNumber=21445 Only available in shorter widths keyword search-EB1390001M Crown:58HT Professional quality chain uses SA5139

Vision XDR Freehub for SC40 55 DB CL U5126 U5131 ModelNumber=21445 Only available in shorter widths keyword search EB1390001M Crown:58HT Professional quality chain uses SA5139 Only available in shorter widths to prevent bending mounting bolts Hollowglide structure cuts weight yet maintains strength for better power transfer and quicker more precise front shifting Color Black Rings 52 36 Number of Chainrings Double Crank Length (mm) 160 Crank Intended Use Road Drivetrain Speeds 12 BB Included No Pedal Spindle 9 16" Spindle Interface Type Shimano Hollowtech II Chainring BCD 110 Shimano Asymmetric Chainline Hub Compatibility 130 Hubs Defined Color Black Crank Length 160Mm Chainring Size 52 36T