What’s that sound?


A brief guide to diagnosing of drivetrain noise. Words by Iain Treloar and illustrations by Karl Hilzinger.  Skipping Cable tension of rear derailleur Shift to smallest cog at rear (closest to frame), then shift up one gear. If it doesn’t shift, turn the barrel adjuster anti-clockwise until the shift happens fluently. Derailleur hanger bent If
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