Kore aerox seatpostkore developed the aerox seatpost in house to offer a strong stem at a great price point the aerox seatpost features a machined head with alloy single bolt clamp featuresmaterial al7050 t6 one peice head and butted shaftdiameters 27 2 30 9 31 6mmlength 400mm zero offset designcolour dual black anodized finishfinish hrt graphicsweight 265g27 2buy kore components from chain reaction cycles the worlds largest online bike store