Model Year

2026

Black Phantom

Description

Engineered for uncompromising speed, explosive power transfer, and aerodynamic efficiency, the 2025 Polygon Helios A Frameset is built on an ultra-lightweight ACX carbon fiber platform. Featuring truncated airfoil tube profiles developed through CFD testing, this frame cuts through wind resistance while maintaining optimal torsional stiffness for sprinting and climbing. Designed with Polygon’s aggressive race geometry, fully integrated cable routing, flat-mount disc brake compatibility, and tire clearance for up to 700x30c rubber, it delivers an ultra-fast, responsive, and compliant foundation for modern criterium racing and high-speed road riding.

Technical Specifications

• Frame Material: ACX Aero Performance UCI-Approved Carbon Fiber
  

• Wheel Size Compatibility: 700c (Up to 700x30c tire clearance)

• Rear Axle Spacing: 12x142mm Thru-Axle (12x100mm Front)

• Bottom Bracket Standard: T47 Threaded (85.5mm)

• Seatpost Standard: Aero ACX Carbon Dedicated Seatpost

• Brake Mount Standard: Flat-Mount Hydraulic Disc

• Headset Standard: Integrated Sealed Bearing with Internal Cable Routing System

• Cable Routing: Fully internal shift, electronic, and hydraulic routing

• Intended Use: Aero Road Racing, Criterium, and Performance Road Cycling