Cannondale HGSL 27 KNOT Carbon Seatpost 330mm 0 O/SetThe Cannondale Hollowgram SL 27 KNOT Carbon Seatpost 330mm 0 O/Set. Carbon fiber construction makes the seat post incredibly strong while only weighing 165 grams. The seatpost is also compatible with any bike that requires the Truncated Aero Profile seatpost.884603791455
