They slipped it under our noses inside an April Fool’s tease, but the UK-made Ratio Mech mechanical rear derailleur is real. And it’s coming soon to replace every worn-out or slow-shifting rear ...
A complete guide to what’s going on at the rear end of your bike When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Add us as a preferred source on ...
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