Sidi Aeron black

Sidi Aeron black mountain bike shoes

The Sidi Aeron black mountain bike shoes redefine cross-country (XC) performance with advanced design and precision fit. The ripstop fabric upper with rubber reinforcements effectively protects without adding weight. Dual NUUN 001C rotors and Firmor X internal support ensure a responsive and secure fit. The anatomically shaped UNUM tongue and quick-adapt arch ensure comfort without pressure points, while the tool-free heel adjustment system allows for customized stability. The X2FC full carbon sole with rubber inserts, featuring a stiffness index of 11/12, provides excellent traction and optimal energy transfer.

Features and Design

Stem, closure and support

Upper: Ripstop fabric with rubber reinforcements—lightweight, tear-resistant, and protective. Closure: Dual NUUN 001C aluminum rotors—fast, precise, and aerodynamic adjustment. Foot collar: Adaptive insert connected to rotors—adjusts to the foot for personalized comfort. Locking system: Firmor X internal support + tool-free adjustable heel cup—increased stability and alignment. Tongue: Anatomically shaped UNUM Ergo—reduces pressure for consistent comfort.

Sole, adjustments and technical indices

Sole: X2FC full carbon with rubber studs — stiffness index 11/12, designed for grip, impact absorption, and power transmission. Cleat positioning: Independent adjustment for custom alignment. Replaceable parts: heel pads and rotors. Fit: 10/10 — Optimal, wraparound support, perfectly suited to XC performance. Stiffness: 11/12 — Very stiff sole, promoting maximum energy transfer while remaining manageable over long distances.

Commitments and benefits

Sidi Commitments

Sidi Impact Support: Sidi applies and supports the ten Fundamental Principles of the United Nations Global Compact and actively contributes to the Sustainable Development Goals (SDGs). Sidi Impact Science: Through its membership in the SBTi, Sidi Sport is committed to reducing its greenhouse gas emissions by half by 2030 and achieving carbon neutrality by 2050.

Product benefits

• Combined stability and breathability: designed for XC riders looking for lateral support in a lightweight, ventilated structure.
• Legendary strength, low weight: Ripstop fabric and rubber reinforcements provide protection and durability.
• Simplified personalized fit: the adaptive instep system connected to the rotors easily adjusts to your body shape.
• Secure locking: heel regulator and Firmor X structure for optimal stability.
• Aerodynamically optimized rotors: the compact, aluminum NUUN 001C ensures fast, precise control and maximum grip.