Adjustable Aluminum Alloy Bike Seatpost for Mountain and Road Bicycles

This replacement seatpost is made of sturdy aluminum alloy 7075 and is designed to be extra-long, providing a convenient solution for taller riders who need to raise the height of their saddle without excessive forward bending. The seatpost is available in three sizes to accommodate a range of bicycle frame diameters: 27.2mm, 30.9mm, and 31.6mm.

Specifications: - Material: Aluminum alloy 7075 - Weight: Approximately 300g (27.2mm), 320g (30.9mm), or 340g (31.6mm) - Color: Black - Length: 400mm (15.7 inches) - Tube thickness: 2.05-3.05mm - Outer tube diameter: 25.4mm, 27.2mm, 28.6mm, 30.9mm, or 31.6mm (five size options)

The seatpost features a micro-adjustable clamp that allows you to fine-tune the tilt angle of the saddle, ensuring a comfortable and horizontal riding position. This is particularly useful for optimizing the fit and ergonomics of your bicycle.

To ensure a proper fit, it is essential to measure and confirm the exact diameter required for your bike's seatpost hole before placing your order. There are a few ways to determine the correct size:

1. Check the diameter marking on your old seatpost, which will typically be stamped with a size, such as "Φ25.4". This indicates that a 25.4mm seatpost is needed.

2. If you have a vernier caliper, measure the diameter of your current seatpost or the inner diameter of the seatpost hole in your bike frame. Select a new seatpost with a matching size, such as 27.2mm if the measurement is around 27.1mm.

3. If you don't have a vernier caliper, you can use a small stick to measure the inner diameter of the seatpost hole (as shown in the provided image). This will help you determine the correct size, such as 27.2mm, before making your purchase.

Please note that the bike saddle is not included with this seatpost. It is crucial to measure and confirm the exact diameter required for your bike to ensure a proper, secure fit. Failure to do so may result in the seatpost being too small or too large for your frame, requiring additional time and effort to return and exchange it.

This replacement seatpost is compatible with a wide range of bicycles, including mountain bikes, road bikes, and other universal bike models. Its extra-long length of 400mm (15.7 inches) can significantly raise the height of the saddle, making it an ideal solution for taller riders who need to adjust their riding position for greater comfort and efficiency.

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