Bike Seat Post 25.4 / 27.2 / 28.6 / 30.4 / 30.9 / 31.6mm Aluminum Alloy Bicycle Seat Post 400 Length for Mountain Bike MTB Road Bike Folding Bike(Black seatpost 30.4x400mm)

• 1. Diameter: 25.4/27.2/28.6/30.4/30.9/31.6mm aluminum alloy single-bolt dual-rail seat post, adjustable angle, anodized surface, laser-etched markings, 10.9 grade screw lock.
• 2. Aluminum alloy single-bolt dual-rail seat post made of high-strength aluminum alloy, both stylish and practical, with thickened anti-slip design. The anodized sandblasted surface looks great and feels high-quality. Sturdy and durable, ensuring safety for competitive riding.
• 3. Strong and easy to install. Single-bolt dual-rail provides secure locking, suitable for arched saddles, with single-bolt dual-rail locking. Use a 6mm wrench for a one-time secure installation.
• 4. Adjustable tilt angle. After fitting the saddle, loosen the bolt to adjust the clamp angle to set the saddle tilt. (Loosen the bolt, adjust, then lock).
• 5. Anodized surface treatment. After anodizing, the seat post surface is harder and also has good heat resistance and corrosion resistance.

Product Specs Name: Single Bolt Dual Rail Seatpost Material: 6061-T6 Aluminum Alloy Model: XT-P371 Colors: Black, Purple, Red, Blue Length: 400mm Diameter: 25.4 / 27.2 / 28.6 / 30.4 / 30.9 / 31.6mm Features: High-strength aluminum alloy, anodized sandblasted finish, fine craftsmanship