Chromag Scarab Pedals. Features: Large platform, thin profile, true concave shape, and rounded perimeter Height-adjustable traction pins feature 42 placement options per pedal Extruded, CNC machined aluminum body Specifications: Platform Dimensions: 110 x 105 x 13mm Platform Material: Aluminum Spindle Size: 9/16" (Standard) Spindle Material: Chromoly Steel Bearings: - Traction Pins: 9 Per Side (Replaceable) Color: Silver Weight: 430g (Pair)