Extruded and CNC machined AL6061-T6 pedal body 2 sealed bearings and 1 DU sleeve bushing 9/16` CNC chromoly spindle 98mm x 92mm x 14mm concave platform M4-10mm outer and M4-8mm inner SS replaceable pins enhance concavity 9/16` 2 Sealed and 1 DU Sleeve Red AL6061UPC/EAN/GTIN: 888571053263