With the Chris King ThreadFit Ceramic Bottom Bracket Package for SRAM Mountain, we've compiled all the ingredients you need to answer the bottom bracket assembly conundrum. No multiple guess, no 50/50 true or false -- just a ThreadFit 24 bottom bracket, ceramic bearings, and King's own Conversion Kit #13. We've included everything you need to mate a SRAM-style stepped crank spindle to an English bottom bracket shell. After all, your job is to come up with the answers to problems posed by techy lines; let us handle the component compatibility questions.