Why We Make This It’s all well and good to make a thing that lasts a lifetime. You also have to give your riders the tools they need to do the easy service work that will make that lifetime a reality. Why You Want It The Chris King Universal Hub Tool is a high-quality shop tool designed to completely disassemble and reassemble Chris King R45D, R45, Boost CL, Superboost, ISO, Classic, and BMX hubs. Though not required for basic adjustment or routine hub maintenance, it makes a striking addition to your tool set, allowing professional and home mechanics to perform complete hub overhauls and bearing service. A hub cone adjusting tool is included. Engineered, manufactured and assembled in Portland, Oregon USA Made from USA sourced high quality aluminum and heat treated stainless steel Anodized finish Click here for the manual and step by step guide to service. Click here for the configuration guide by hub model.