Keenso 31.6x400mm Aluminum Alloy Bike Seat Post - Lightweight Bicycle Saddle Pole for Mountain, Folding & Road Bikes | Perfect for Commuting, Trail Riding & Urban Cycling

How to Use: Installation Steps: 1. Loosen the two screws first, you don't need to twist them out completely. 2. Twist loosely. 3. Put the cushion bow on one side first, without locking screws. 4. After placing one side, move it in to place the other side. 5. The angle can be adjusted by adjusting the middle clip of the seat tube and the screw. 6. Just tighten the screws to complete the installation. Specification: Item Type: Bicycle Seatpost Material: Aluminum Alloy Length: Approx. 400mm / 15.7in Pipe Diameter: Approx. 31.6mm / 1.2in Product Weight: Approx. 406g / 14.3oz Package List: 1 x Bicycle Seatpost Note: How to choose the product correctly: 1. Check the diameter of the original seat post and select the same size as the original diameter. 2. Measure the inner diameter of the frame tube. 3. Each seat tube has a lower limit to ensure that the part under the safety line is completely inserted into the seat tube of the frame. 4. Please allow 1‑2cm error due to manual measurement. Thanks for your understanding.