Elevn Carbon Pivotal Seat Post Aero 25.4mm

Product Overview

The Elevn Carbon Pivotal Seat Post is a lightweight aero-profile seat post designed specifically for Chase RSP frames. Built as a carbon monocoque structure, it weighs just 58 grams and accepts pivotal saddles via a single-bolt mounting system. The aero 25.4mm shape matches Chase RSP 3.0, 4.0, and 5.0 frame seat tube profiles.

Key Features

• Carbon monocoque construction – Single-piece carbon layup eliminates joints and bonding points for consistent strength throughout the post length

• Aero profile – Non-round cross-section reduces aerodynamic drag and matches specific Chase RSP frame seat tube shaping

• Pivotal saddle compatibility – Single-bolt mounting system accepts standard pivotal saddles for secure attachment and precise angle adjustment

• Ultralight weight – At 58 grams, this post significantly reduces overall bike weight compared to aluminum alternatives

Technical Specifications

• Weight: 58 g
• Material: Carbon fiber monocoque
• Length: 150mm
• Diameter: 25.4mm aero profile
• Seat clamp type: Aero (non-round)
• Saddle mounting: Pivotal (single-bolt)

Compatibility and Ideal Use Cases

Designed exclusively for Chase RSP 5.0, RSP 4.0, and RSP 3.0 frames (Mini, Junior, Expert models). The aero profile shape is not compatible with standard round 25.4mm seat tubes—this post will only fit Chase RSP frames with matching aero seat tube shaping. Accepts all pivotal-mount saddles. Best suited for competitive racing where weight savings are prioritized and riders are using Chase RSP frame platforms. Not compatible with railed saddles or standard round seat tube frames—verify frame compatibility before ordering.