Wheelset bike wheel system uses cross country xc marathon mountainbike mtb size 26 inches material aluminium series fulcrum red power weight 1 959 g tyres clincher brake mount disc brake spoke types circular bladed spokes hub 24 spoke material stainless steel einbauma der hinterradnabe 20 x 135 mm fitting dimensions front wheel 15 x 100 mm 9 x 100 mm lacings radial rear two cross front two cross rear types of bearing industrial sb bear