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I always thought FSA MegaExo stuff was a weird diam, like 22mm at one end? This clearly says 24mm on the bearing cover and 24mm on the axle though so maybe I'm thinking of something else?
You're thinking of SRAM/Truvativ GXP. MegaExo is 24mm all the way through, and many people have put FSA/Vision MegaExo cranks through Shimano HT2 BBs and vice versa
gbj_tester
hippy
coventry_eagle
I'm moving the Gravel P2M (Rotor 24 Road axle) onto the Mason. I was surprised to see it had a MegaExo BB fitted. I assume this was used during the Great Shimano Shortage of Whatever Year It Was.
I always thought FSA MegaExo stuff was a weird diam, like 22mm at one end? This clearly says 24mm on the bearing cover and 24mm on the axle though so maybe I'm thinking of something else?
Anyway, is there any reason this Shimano SM-BBR60 won't work? They're both normal 68mm BB shells
Guess I was thinking of GXP, which is what WAS on the Mason for the Quarq cranks.
https://www.bikeradar.com/advice/buyers-guides/the-complete-guide-to-bottom-bracket-standards/