[Durable Material] Material: 6061 aluminum alloy, strong and durable.
[Seatpost diameter] 25.4mm 27.2mm 28.6mm 31.6mm (4 sizes for your selection);
[Suitable Bicycles] Suitable for: Old-fashioned bicycles, mountain bikes, road bikes, and regular bicycles with a variety of saddles with clamps.
[Size] Wall thickness: 3mm (high strength) Seatpost length: 350mm
【Pay attention】Please measure the actual required diameter before purchasing.
Specifications: Material: 6601 Aluminum Alloy Diamter: 25.4mm 27.2mm 28.6mm 31.6mm Length: 350mm Wall Thickness: 3mm Color: Black Weight: Approx. 170g Package Included: 1 x Bike Seat Post Features: 1. The material of this post is high-strength aluminum alloy 6061, and it is manufactured by integral forging. 2.Easy Installation: Installing the saddle on this seatpost is easy. 3. With general specifications of clamp dimensions, it fits most saddles (4 commonly used sizes for you). 4. There is a safety line logo, easy to adjust. 5. Raising the saddle height creates a forward-leaning riding position, which also reduces air resistance (drag).