BIKERSAY BB48-12 Bicycle Repair Tools Multi-function Wrench Tool Stainless Steel Axis Spanner 1. High-strength stainless steel, high-precision laser cutting, matte surface treatment, closed loop design and not unload. 2. Stainless steel removal tool, it is not easy to scratch the bottom bracket. 3. The stainless steel wrench, repeated disassembly and assembly tests, the hardness of the wrench is stable. 4. Plastic smooth handle, comfortable to grip, beautiful and durable. 5. Suitable for installation and removal of bicycle brackets. 6. Compatibility: -BB48-12 is suitable for use on bottom brackets with an outer diameter of 48mm and 12 tooth slots. For example, it is suitable for use on Lightning Praxis works M30 OSBB bottom brackets Note: For bottom brackets that are not included in the above, please purchase according to the outer diameter and the number of cogging grooves of the bottom bracket data