julio 22, 2026Publicado Por En julio 22, 2026Bike Headset Stem Expander&Top Cap Carbon/Aluminum For Road Bike Mountain BikeMaterial: Aluminum alloy stem cover, stainless steel titanium plated screws. 1 Stem Cap. Ultra-light aluminum alloy material, high strength, light weight and corrosion resistance. Applicable size: 28.6MM front fork.