SIDI Aeron MTB Cycling Shoes

The ripstop upper with rubber bumpers offers protection without added weight, while dual NUUN 001C dials and internal Firmor reinforcement ensure secure, responsive support. A fast-adapting instep and UNUM tongue deliver a pressure-free fit, complemented by a tool-free heel adjuster for fine-tuned stability. The sole, with stiffness index 11 and generous rubber coverage, offers powerful traction and efficient energy transfer.Specification:Upper: Ripstop fabric with rubber bumpers – lightweight, tear-resistant, and protectiveClosure: Dual NUUN 001C aluminum dials – aerodynamic, precise, and secure fit controlInstep: Adaptive instep linked to dials – molds to foot for a personalized fitFit System: Firmor X internal support + tool-free heel adjuster – enhanced foot stability and alignmentTongue: UNUM Ergo anatomical tongue – relieves pressure for consistent comfortOutsole: X2FC full carbon with rubber lugs – stiffness index 11, built for grip, impact support, and efficient power transferCleat Setup: Independent cleat adjustment for personalized positioningReplaceable Parts: Heel pads and dials