With a single chainring and only one derailleur on the drivetrain, the availability and proliferation of 1X shifting (pronounced “one by”) has dropped the weight and increased the performance of ...
Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. How we test gear. SRAM’s XX1 1x11 mountain bike drivetrains blew up the market when they were ...
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