Wheelset use racing bike size 28 inches material carbon series fulcrum racing weight 1 605 g tyres clincher brake mount rim brake spoke type bladed spokes hub 21 spoke material stainless steel lacings radial rear two cross front inner rim width 235 mm empfohlene reifenbreite 25 32 mm type of bearing industrial technologies fulcrum drsc fulcrum 21 two to one fabric specification carbon 3k