The SYNTH pedals offer a large, slim/concave 13mm thick injected reinforced nylon platform with 9 pins per side, height adjustable and replaceable. They are mounted on chromoly steel axis with high end Japan and DU bushing ring bearings. The nylon platform slides easily on the rocks and roots. The Synth offers a beautiful concave support surface for maximum sensitivity and grip. Material: reinforced injected nylon axle: heat treated cromo with Japanese ring bearings and bushing. Size: 110 mm x 105 mm. Weight: 370 g.