1. Durable material: The bicycle bottom bracket wrench is made of aluminum alloy, offering strength and corrosion resistance. This ensures the wrench does not easily deform or get damaged during prolonged use. Even in harsh environments such as damp or dusty conditions, it maintains performance and extends the tool's lifespan. 2. Precise size: The opening and dimensions of the centerlock tool are precisely designed and machined to fit snugly with nuts, bolts, and other components of the center shaft and bottom bracket. This prevents slipping or loosening during removal and installation, enhancing operational safety and reliability. 3. Ergonomic design: The handle of the bottom bracket remover is designed based on ergonomic principles. A comfortable grip reduces hand fatigue during extended maintenance work, allowing users to operate more effortlessly and improving work efficiency. 4. Multifunctional design: The BB wrench is compatible with center shafts and bottom brackets of various specifications, such as DUB, TLFC32, 25, 24BB, etc. This versatile design enables a single wrench to meet the removal and installation needs of different bicycle types, reducing the number and variety of tools required while enhancing efficiency and applicability.