Sorry, but this all doesn't make much sense. Using Sugino 75 cranks with a proper bottom bracket is absolutely fine, even if you totally abuse them. Are the new standards/cranks better? No doubt, but SG75 are still fantastic cranks.
They're even used during the Six Days for example:
Sorry, but this all doesn't make much sense. Using Sugino 75 cranks with a proper bottom bracket is absolutely fine, even if you totally abuse them. Are the new standards/cranks better? No doubt, but SG75 are still fantastic cranks.
They're even used during the Six Days for example: