Description: *Brand new and high quality *Made of high quality material, and practical to use * Road Bike Seatpost shock mount Bicycle Saddle Suspension Tube 27.2/30.4/30.8/31.6 *Spring shock absorption, can fine tune the soft and hard to achieve a more comfortable effect *New shock absorber to change riding comfort *Suspension seat tube, using internal suspension *The screw under the seat tube can adjust the rebound speed *A seat tube that is taller and more comfortable for riding Specification: *Material: Aluminium alloy *Color: Black red *Size: 27.2*350mm, 27.2mm(original), With Reducing sleeve， converted to 30.4/30.8/31.6mm *Type: Hydraulic suspension *Travel: 50mm *Weight: about 490g/510g/512g/519g Package Includes: 1 x Bike Seatpost/ Bike Seatpost+Reducing sleeve Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.Thank you! 【 for Sturdy and Practical】- Made of material, this MTB Bike Seatpost shock mount is for Sturdy and practical, long-lasting use. 【Enhanced Comfort】- With spring shock absorption and fine-tuning capability, this seatpost allows you to adjust the softness and hardness, providing a more comfortable riding experience. 【Innovative Shock Absorber System】- Equipped with a new shock absorber system, this seatpost maximizes comfort and minimizes vibrations, a smooth ride even on bumpy terrain. 【Internal Suspension Design】- The suspension seat tube utilizes an internal suspension mechanism, effectively reducing the for impact and providing better shock absorption for a more comfortable ride. 【Adjustable Rebound Speed】- The screw located under the seat tube allows you to easily adjust the rebound speed, customizing your riding experience according to your preferences.