body material: One piece composite cleats: Premium brass cleats with shims included end cap: Slotted inner bearing type: Igus LL-glide bearing max rider weight: No restriction outer bearing type: Enduro cartridge bearing q-factor: 52mm release angle: 15° / 20° spindle material: Forged scm 435 chromoly steel spring material: 300 series stainless steel warranty: 5 years weight: 294g per pair wing material: Stamped steel