• Extra-long 450 mm seatpost, ideal for mountain and racing bikes • Made from 6061 T6 aluminum alloy, combining lightness and durability • Outer diameter of 30.4 mm and tube thickness of 2.5 mm for increased strength • Approximate weight of 425 g • Rail width of 44 mm and 15 mm offset • Adjustable clamp allows you to change the saddle tilt angle • Allows you to increase the saddle height, making it more comfortable for tall cyclists • Includes one bicycle seatpost • There may be a margin of error of +/- 0.05 mm due to human and environmental factors