Quote:
Originally Posted by Munchskull
At risk of seeming ignorant, I would like to ask two more questions on in tube sprockets. First, now that I know that 221 has #25 17t double sprockets, where could I purchase single version of them, preferably in hex profile?
And second, why use 17t vs 16th or 18t?
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I think it's because it's a double sprocket, and 16t double sprockets are unknown to me.