DescriptionBrand Name: ROCKBROSOrigin: CN(Origin)Material: Microfiber LeatherLength (cm): 135mmType: Bilateral lockColor: Black colorMaterial: High-strength hard plastic Microfiber LeatherWeight: About 140 (Pair)Hole inner diameter: About 2.22cm (bicycle standard specification inner diameter size) Product Features1.High strength PP plastic linning2.Strong versatility 2.22cm handlebar3.Aluminum alloy ring bilaterial lock,more stable