Height Adjustable Seatpost Precise Hydraulic Hand Control Suitable For Mtb Bikes Versatile Compatibility 100mm Travel Description: Good quality starts from the source, made of aluminum alloy, with high hardness and corrosion resistance CNC precision cutting, high compression resistance, anti-distortion, toughness and firmness without bending It adopts double-nail double-track design and high-strength aluminum alloy forging, which can change the angle of the seat cushion according to its own requirements, thereby improving riding comfort. Specifications: Name: shock absorber seat tube Brand: LUNJE Material: Aluminum Alloy 6061- Model: XT-P003 Color: black and red Length: 400mm Features: high-strength aluminum alloy material, lightweight design, effective shock absorption, surface numerical control CNC, fine workmanship, non-slip beautiful Package Included: 1 * shock absorber seat tube 1*installation wrench