Professional Bottom Bracket Removal Tool: Double sided wrench is designed to fit lockrings found on cup-and-cone bicycle bottom brackets, which can be perfectly engaged with the lock ring to obtain good torque. This bottom bracket tool is not applicable to AR and fixed gear lockrings
Flat Multi Purpose Design: Bottom bracket lock spanner is a lock ring wrench, which means it's flatter and thinner than most wrenches to better engage the lock ring. The bottom bracket wrench has a hook on one side and 3 hooks on the other side, wide range of applications
Adaptability: The single hook side of lock ring wrench: Suitable for most lock rings with an outer diameter of 43 to 46 mm. Three hook side: Suitable for 3 notch lockring with a maximum outer diameter of 46 mm and minor diameter (in the notches) of 40 mm
Cost Effective: Bottom bracket lock spanner takes up very little space in the toolbox but makes maintenance of the bottom bracket a breeze. Lock ring wrench makes repairing a bike more satisfying and cheaper than repair shops
Outstanding Material Quality: The bike lock ring tool is made of high quality stainless steel, which is rust proof and corrosion resistant. Help tighten the lockring and adjust the bearing accurately