Technical Q&A with Lennard Zinn – Adjustable or disposable?
Adjustable or disposable?Dear Lennard,Can you tell me if the bottom brackets on the two-piece style Shimano cranks have adjustable bearings, like those used in a hub or pedal or are they a non-adjustable sealed cartridge, like that used in the current Octalink bottom brackets? I don’t see separate bottom bracket bearings being sold for the new style cranks, so I’m guessing they are adjustable rather than disposable, but it’s just not clear. I need new mountain-bike cranks, but I chew through the Octalink bottom brackets pretty quickly, so a non-disposable bottom bracket would probably make