The Elevn Alloy Pivotal Seat Post Aero 25.4MM is an anodized 6061 T6 aluminum BMX racing seatpost designed specifically for frames with aero-shaped seat tubes. It features Aero System Shaping Technology to reduce drag and increase frame stiffness at the seat junction, helping you shave fractions of a second off your track times.

Key Specifications:

• Material: Anodized 6061 T6 Alloy.
• Length: 250 mm.
• Diameter: Aero 25.4 mm (optimized for Mini, Junior, and Expert sized race frames).
• Weight: 5.89 oz (approximately 167 grams).
• Seat Interface: Pivotal system (requires a Pivotal-compatible saddle).

Critical Compatibility Notes:

• Frame Fit:
  This post will ONLY fit BMX frames built with an Aero Style seat tube, such as the Chase RSP 3.0, 4.0, and 5.0 (specifically Mini, Junior, and Expert sizes). It will not fit standard round seat tubes.
• Clamp Requirements:
  Standard round seat clamps cannot be used with this post. You must use a dedicated Elevn Aero Seat Post Clamp (25.4 mm) to secure it properly to your Chase frame.