Description: *Brand new and high quality *Made of high quality material, durable and practical to use *MTB Bike Bicycle Seatpost shock mount Tube Black 25.4/27.2/28.6/30.4/30.8/31.6 *High strength aluminum alloy material, lightweight design *Surface sandblasting technology, fine workmanship, clear scale lines and beautiful lines，not easy to wear *Aluminum alloy forged clip, adjustable angle, double screw back float design, double screw locking *Surface anodizing, sandblasting, anti-corrosion and wear-resistant *The angle of double-nail and double-track can be adjusted according to your habits and comfort *Scope of application: 25.4mm seat rod is applicable to 28.6mm seat pipe clamp; 27.2mm/28.6mm seat rod is applicable to 31.8mm seat pipe clamp; 30.4mm/30.8mm/31.6mm seat rod is applicable to 34.9mm seat pipe clamp Specification: *Material: Aluminium alloy *Color: Black *Size: 25.4*400mm，27.2*400mm，28.6*400mm，30.4*400mm，30.8*400mm，31.6*400mm *Tube wall thickness: about 2.6mm *Weight: about 342g/367g/364g/377g/378g/396g Package Includes: 1 x Bicycle Seatpost 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!