Superlight Enduro model with 6al/4v titanium wings 12% smaller body than Mallet DH, with 5mm narrower Qfactor Integrated traction pads for optimal shoepedal interface Chamfered edges deflect rocks, grooves add traction when unclipped Concave CNC aluminum body, titanium wings, 12 adjustable traction pins 4sided cleat capture for easy entry, 6 degree cleats and hardware included Inboard Igus IIglide/outboard Enduro cartridge bearing DSS Double Seal System virtually eliminates contamination of internals LS spindle is 5mm wider than standard model (same 57mm Qfactor as Mallet DH spindle) Serviceable, with a 5 year warranty