Judging by the last photo you posted, a chain and a chainring.
I found the R539s pretty good yeah, though I thought the Weinmann side-pulls were decent brakes as well, they're just a pain to set up.
@tbc started
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Judging by the last photo you posted, a chain and a chainring.
I found the R539s pretty good yeah, though I thought the Weinmann side-pulls were decent brakes as well, they're just a pain to set up.