Zipps Service Course seatpost is lightweight and strong for security and designed to offer a precise fit at an affordable priceProvides easy tool access to the downward facing bolt for easy setup and micro adjustments after its mounted3D forged 6061 aluminum for affordability with high strength, low weight, and efficient use of every gramAvailable in 0 and 20mm setback optionsRoad27.2mm350mmBlkAL60610mm