●Stiff yet comfortable 6061 aluminum seatpost for road riding. ITEM: SP-1420 ●Lightweight and stiff seatpost that will improve your cycling performance and enjoyment. ●The CLS Zero Offset Seatpost is constructed from 6061 aluminum, proven to increase strength without adding weight, maximizing the effect of your power output. It’s also extremely durable so will stand up to all-year riding. ●Stainless-steel bolts will last a lifetime and keep your seatpost firmly clamped to your saddle. ●Comes in 27.2mm, 30.9mm and 31.8mm diameters to suit a wide range of seat-tubes. ●The CLS Zero OffSet Seatpost weighs just 289g. ●Color：Red/Gray