Okay, you’ve clocked thousands of miles on your road bike. Maybe even some hard miles. And now it’s clearly time to swap out that factory chain and sprockets for a fresh set. The question is, what type of rear sprocket should you choose as a replacement?
Cross-country racing is brutal on men, women, and machine. Sustaining eye-popping speed through dirt, mud, sand, rocks, and water for seemingly endless periods of time is nothing short of the survival of the fittest. Especially for a bike’s drivetrain.
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