• Made of high-strength steel, this seat post is strong, durable, and features a sleek design. • Dimensions: 300 mm in length and 28.6 mm in diameter. Be sure to measure and confirm the correct size before purchasing. • Includes a marking line at the bottom to ensure proper installation. • Easy to install: simply loosen the screws of the old saddle, remove it, and place the new post in the bike frame. • Ideal replacement for worn or broken seat posts on most mountain bikes.