I'd just get a 126 freewheel hub if I were you. If you want to ride a 126mm frame that can't be sprung, why not? You can get excellent old stuff really cheaply.
@Skülly started
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I'd just get a 126 freewheel hub if I were you. If you want to ride a 126mm frame that can't be sprung, why not? You can get excellent old stuff really cheaply.