Bike type:Mountain Bike Material type:Aluminium Feature: Specifications: pipe diameter 27.2mm, length: internal wiring 370mm suspension stroke: 80mmBetter Design: The seal ring design effectively protects the inside of the seat tube from cleaning, making the seal ring more closely fit the seat tube, preventing rain, cement, sand from entering and effectively preventing oil leakage. Keep lubricationHigh Quality: High-strength aluminum alloy material, surface matte process, strong, wear-resistant and corrosion-resistantWide Use: Suitable for road bikes, mountain bikes, folding bikes etc.Specification:Name: Bicycle Wire Control Lifting SeatpostMaterial: aluminum alloyColour: BlackDiameter: pipe diameter 27.2mm (other pipe diameters need reducing sleeve conversion)Length: 370mm internal wiringStroke: 80mmPackage List:1x MTB Seatpost Notes:1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!2. Please allow 1-2CM measuring deviation due to manual measurement. About this item Specifications: pipe diameter 27.2mm, length: internal wiring 370mm suspension stroke: 80mm Better Design: The seal ring design effectively protects the inside of the seat tube from cleaning, making the seal ring more closely fit the seat tube, preventing rain, cement, sand from entering and effectively preventing oil leakage. Keep lubrication High Quality: High-strength aluminum alloy material, surface matte process, strong, wear-resistant and corrosion-resistant Wide Use: Suitable for road bikes, mountain bikes, folding bikes etc. SHOP WITH CONFIDENCE: To provide you with the highest quality service, If you have any question, please feel free to contact us.We will provide after-sales service until you are satisfied. Specifications: pipe diameter 27.2mm, length: internal wiring 370mm suspension stroke: 80mm Better Design: The seal ring design effectively protects the inside of the seat tube from cleaning, making the seal ring more closely fit the seat tube, preventing rain, cement, sand from entering and effectively preventing oil leakage. Keep lubrication High Quality: High-strength aluminum alloy material, surface matte process, strong, wear-resistant and corrosion-resistant Wide Use: Suitable for road bikes, mountain bikes, folding bikes etc. SHOP WITH CONFIDENCE: To provide you with the highest quality service, If you have any question, please feel free to contact us.We will provide after-sales service until you are satisfied.