XLC All MTN SP-T12 Dropper Post - 30.9mm - 449mm - BlackXLC All MTN SP T12 Dropper Post XLC have produced the SP T12 Dropper 449 for those who require a greater amount of height adjustment for their riding. Offering 150mm (+ 5mm depending on shaft length) of height adjustment, the SP T12 is for serious riders. Telescopic seatpost with remote CNC hard anodised remote lever Material: aluminium 6061 T6 Upper and lower saddle clamp CNC machined Offset: 0 mm Working principle: Air oil cartridge, replaceable