The bike currently has an FSA BB4000 MegaExo BB in it, which is on its way out (there's some play, is it going to explode on me, this is my comuting bike?!?)
Do i need to replace it with an identical model, or can i use a shimano 105/ultegra Hollowtech2 at less price and better quality?
I am not sure but i think the FSA has a narrower axle at 19mm and the HT2 is a 24mm axle, making them incompatible?
Anyone know for sure?
Ask for advice or share your fettling tips
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