... high performance carbon track frameset,UCI proven carbon track frameModel:TRACK201Finish: 3K, 12K or Client optionsSize(Top Tube):576mm, ... -carbon seat post,replaceable stainless rear drop outs. Carbon bladed track-specific fork,7075 alloy steerer,38 or 45mm offset.M ... for frame,855g for fork,250g for seat post carbon track frame