4 in 1 BB Tool

* Multifunctional Bicycle BB Wrench Professional Bottom Bracket Tool

* Bicycle Old Fashioned Central Axis Removal Tool Tail Hook Wrench Lock Ring Installation Square Hole Central Axis Front and Back Bowl Repair Tool

* Brand new and high quality

* High strength stainless steel material, improved hardness and performance greatly.

* Anodizing process, strong texture and beautiful color.

* Suitable for the outer diameter of the lock ring between 44-48mm.

* Professional and durable, you deserve it.

* 4 in 1 function, old bottom bracket savior, disassembly and assembly tool, upgrade to new model

* 2.5mm hex wrench is used to install the bottom bracket removable top cap, bottom bracket removable top cap

* Using laser cutting technology, the straightness of the cut surface is controllable, and the multi-pass polishing and grinding process improves the feel and appearance. The steel used in cutting tool and mold products is used, and the traditional low-end steel material of No. 45 so-called tool steel is abandoned. The use of vacuum heat treatment technology greatly improves the hardness and durability of the tool, and improves shortcomings such as surface bending and dimensional deformation that easily occur after ordinary heat treatment.