Northwave Extreme X Road Cycling Shoes White EU 45

With a stiffness index of 12.0 on Northwave's own scale, the Extreme X delivers uncompromising power transfer for performance road cycling. Its UD carbon sole is among the stiffest in its class, ensuring every watt reaches the pedals.

Overview

The Northwave Extreme X is a top-tier road cycling shoe engineered for riders who demand maximum efficiency and comfort. The upper features XFrame 2® patented construction, which wraps the foot securely while allowing excellent breathability through a micro-perforated design. A single SLW3 dial and one Velcro strap provide precise, on-the-fly fit adjustment, while the integrated heel system with directional fibre keeps the foot locked in place during explosive efforts.

What stands out

• UD carbon sole with stiffness index 12.0 for ultimate power transfer
• XFrame 2® upper construction for a glove-like fit
• SLW3 dial + Velcro closure for micro-adjustable comfort
• Anatomical Arch Support® and Pro Regular Fit footbed for all-day support
• Integrated ventilation system keeps feet cool on hot climbs

Technical details

• Product type: Road cycling shoes
• Closure system: 1x SLW3 dial, 1x Velcro strap
• Sole material: UD carbon
• Stiffness index: 12.0 (Northwave scale)
• Upper: Micro-perforated with XFrame 2® construction
• Footbed: Pro Regular Fit with Anatomical Arch Support®
• Cleat compatibility: 3-bolt road cleats (Look, SPD-SL)
• Heel retention: Integrated heel system with directional fibre
• Weight: approx. 290g per shoe (size 42 reference)
• Recommended use: Performance road cycling

Our verdict

The Northwave Extreme X is a race-ready shoe that combines extreme stiffness with a secure, breathable fit. It's a top choice for competitive cyclists who refuse to compromise on power transfer or comfort.