Wheelset use racing bike size 28 inches material aluminium series fulcrum racing weight 1 658 g tyres clincher brake mount rim brake spoke type bladed spokes hubs 18 20 spoke material stainless steel lacings radial rear two cross front rim joint welded rim flange parallel empfohlene reifenbreite 25 32 mm type of bearing industrial ventillochgre 65 mm technologies fulcrum 21 two to one fulcrum drsc