Low-profile shape and 3mm concave platform, 7mm effective with body and pins- Forged and CNC 6061 alloy construction with 24 replaceable traction pins (12 per side)- Hollow, heat-treated CrMo spindle, (2) high-grade sealed cartridge bearings and (1) Igus bushing per pedal- Compatible with most rubber crank protector/boots and may use up to 2mm pedal washers per side- Platform dimensions: 115x112x18mm