SIDI Aeron XC Clipless Mountain Shoes - Black 42.5 CheckoutSpec= Neo Chrome 52mm 45x45 lower bearing Color

52mm 45x45 lower bearing Color Matte Black Bearing Type Cartridge Crown Race 30 Defined Color Black S

Also compatible with Shimano/SRAM 8-10sp cassettes with spacer

Designed by Sugino for use with RD2 cranksets Bottom Bracket Shell I

Gender/Age Adult Rotational Protection Yes Minimum Head Circumference 51 Color Shiny White Size Large Visor Included Yes Multi Impact No Weight 350 Helmet Certifications Complies with the U

This is not as light and stiff as the S/Lab classic boot

SIDI Aeron XC Clipless Mountain Shoes - Black 42.5 CheckoutSpec= Neo Chrome 52mm 45x45 lower bearing ColorAeron redefines XC performance through advanced construction and precision fit. The ripstop upper with TPU bumpers offers protection without added weight while dual NUUN 001C dials and external 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