Description: High performance carbon fiber bicycle saddle seatpost, high strength, strong, sturdy, lightweight, durable and long lasting. Bright black finish/matte color finish, excellent workmanship, great touch feeling. Saddle clamps for freely adjustment of seat cushion inclination. Length: 350mm/400mm; Diameter: 33.9mm/1.21 inch; please confirm the seat post size you need before you buy it. Universal replacement seatpost for most road bike, fixed gear bicycle, mountain bike, downhill bike, folding bike and more. Package Includes: 1 Piece Bike Seat Post Note: Please allow slightly difference due to manual measurement. Thanks