Spiuk zs11m mtb spd shoesspanish brand spiuk has been producing high quality performance ready goods for over twenty years they have a fixed focus on quality materials that is immediately evident in this top of the range water resistant mtb shoe comfortable lightweight and stiff mtb shoeduring competition when optimal performance is crucial the lightness and stiffness of zs11ms sole provides peak power through the pedal designed to handle the toughest trails this mtb shoe boasts strength