- Ergonomic design: the centerlock tool handle is designed for ergonomic comfort to reduce hand fatigue during hours of wrench maintenance, improving work efficiency. - Durable material: bottom bracket tool is made of aluminium alloy, offering high strength and corrosion resistance. It resists deformation and damage after prolonged use and performs well in moisture and dust, extending tool life. - Precise size: the opening and size are precisely designed to fit centerlock and bottom bracket components snugly, ensuring they do not slip or loosen during removal and installation. This enhances safety and reliability. - Portable design: very light and easy to store in a bicycle tool bag for easy carrying. Keep it in your bike bag when travelling to ensure a safe journey. - Use scenarios: ideal for installing and removing centerlock bottom brackets on road and mountain bikes; convenient for on-the-go maintenance during rides; suitable for workshop use to service centerlock components.