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do you think that guy hops up and down curbs daily cycling to work? there is a reason why all modern cranks are not square taper
hate to come across like a twat but trust me, S75s are great but square taper just isnt strong enough for harsh street riding. fine tracking riding where the forces put through them are smooth
edit - i am 85kg so I mangled a pair of S75s in 2 years commuting. probably would have faired better if I wasnt so heavy
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: