Aluminium hub for bicycle Rear wheel 18P DBCL Boost for thru axle 12mm 28 holes, straightpull, black Rotor Aluminum SRAM MTB, matt Dimension: 148mmSpecifications:- Product Type: 180- Field Of Application: MTB- Material: Aluminum- Net Weight [G]: 185.000Brake & Freehub System:- Brake Interface: Disc Center Lock- Free Hub Body: Sram Xd Mtb (Asram)- Freehub System: Ratchet Exp 36Dimensions:- Axle System: 12 mm Thru axle- Built-In Dimension: 148 mm Boost- Hole Count: 20- Bore Type: Round