Socket wrench for Wheels Manufacturing PF30-THD threaded bottom bracket

thingiverse

Posting this even though I didn't get any very good photos of the actual thing. If you have a PF30 press fit bottom bracket in a carbon fiber bike frame, chances are it will eventually lose its fit and require replacement. In many cases, Loctite 609 or 680 can fill the gap, but often the best solution is to opt for a thread-together bottom bracket like the Wheels Manufacturing PF30-THD-BB which secures itself in place by threading together inside the smooth shell. The only real problem with this solution is that you'll need a special wrench due to the larger outer diameter. Wheels Mfg makes both a socket and a wrench, but the design is simple enough that 3D printing can come to the rescue. My socket design uses a 1/2" drive which can handle more torque than a 3/8" drive as we're dealing with plastic, and also sinks the socket into the bottom bracket so that the turning force is directed almost inline with the interface - longer sockets can be tough to use as they'll tend to rotate off while turning the bottom bracket. I also include a wrench as you'll need it to hold the opposite side.