Power Meters / Powermeters (SRM, Powertap, Quarq, Ergomo, Vector, Stages, power2max, P2M, 4iii, InPower, Cinch)

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croft

Considering an NG eco to replace my ageing P2M classic. Any reason not to stick with 3D24? The classic has lasted me 4 years and I'd want to be relatively future proof.

Guess if Shimano are sticking with Hollowtech II there shouldn't be anything to worry about.

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gbj_tester in reply to @croft

Any reason not to stick with 3D24?

With the exception of frames with BB86 shells, which I'd avoid on principle, 3D+ will go into anything which will also accommodate 3D24

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croft in reply to @gbj_tester

I've seen a few things about 30mm bearings in a BSA shell being small and not durable. Assume this is hogwash.

What is the difference between 3D+ and "true" BB30? Supposedly BB30 isn't the correct length for BSA shells but 3D+ is? Trying to avoid spacers etc. at all costs.

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