The SQlab 50X Pedals are constructed from plastic but are still highly durable and lightweight. When coming into hard contact with rocks and roots etc the material can give way, and in SQlab testing when pitted against an aluminium version this plastic pedal proved more durable.Available in three different axis lengths Adapted to the natural foot position Large platform (115 x 105mm)Fibre reinforced plastic Japanese ball bearings IGUS friction bushing Made in Germany Replaceable pinsThe bearings were highly important to SQlab, so they used the best and most durable. The three different axle lengths provide a physiologically natural foot position on the pedal. Suitable for larger feet, a V-shaped foot position or larger sit bone distances, which usually require a higher Q-factor. The slightly concave and outwardly rotated pedal surface allows an ergonomic position on the pedal and creates enormous grip at the same time. To provide a maximum pedalling surface, this closes flush with the