[Spring Damping]: The seat tube is made of a spring that dampens vibrations, with a travel of 45mm, effectively damping vibrations while driving. [High-strength aluminum alloy]: The seat tube is made of aluminum alloy, which has low density but high strength, has excellent castability, and has excellent corrosion resistance, scratch resistance, and wear resistance, and has high strength to ensure riding safety. have [Size]: Seat tube diameter is 27.2/31.6mm, length 350mm, travel 45mm, offset 15mm. [Adjustable]: The bicycle seat tube has two bolt clevises that allow you to clamp the saddle to slightly lower, raise, or keep it flat, making it easy to adjust the saddle angle. can. [Safety Cable]: The tube is equipped with a safety cable for installation. When installing, ensure that the bottom of the mounting cable is fully inserted into the frame seat tube to ensure safe riding. Two hex spanners are included with the seat tube for easy installation.




Color: ‎Black
Size: ‎27.2-350MM
Material: ‎Aluminum
Packing size: ‎39 x 8 x 6.5 cm; 640 g