MUQZI | MUQZI T45 T47 Bottom Bracket Tool 12-Notch 16-Notch 49-53mm Bicycle Bottom Bracket Installation Removal Repair Tool

How to Choose the Right Bottom Bracket Tool(Example: 16 notches + 50mm outer diameter = T47-50-16 tool) 1.Check the number of splines or notches. 2.Measure the outer diameter in mm. 3.Measure whether the inner diameter is ≥ 24mm.MUQZI Bottom Bracket ToolMade from aluminum alloy, this bottom bracket tool features precision-machined notch engagement for compatible bottom bracket cups.It provides a secure grip to help prevent slipping, making hard-to-loosen bottom brackets easier and less effort to remove. It can be used with a 1/2-inch drive ratchet, torque wrench, or an BB44-16T bottom bracket wrench for convenient bike maintenance.