Key for the assembly and disassembly of all common external bottom brackets, including Hollowtech II, GXP, and Chris King.

• Compatible with almost all external bottom brackets
• Also suitable for disc brake lock rings with 16-tooth external notches
• Lightweight and simple design, perfect for hobby mechanics
• Unior professional tools are made in Europe and come with a lifetime warranty

Why Unior?
Reliability and durability are priorities for every tool from Unior Bike Tools. The products are made from the best materials and with the highest manufacturing standards in mind. From wrenches and pliers to repair stands and workbenches – the comprehensive range covers all your tool needs.

Made for work
Every tool from Unior is designed for daily heavy use in professional bike workshops, and whether at home or in a professional shop, all mechanics deserve a lifetime of reliable quality.

Since 1919
Unior has over 100 years of experience in tool manufacturing, combining tradition and expertise with the latest technologies and processes. Unior even manufactures the tools used to make their tools, ensuring that each piece is crafted with absolute precision.

Made in Europe
Unior has full control over the raw materials, technical properties, manufacturing process, and quality of their tools, ensuring flawless performance throughout their entire lifespan.