Welcome to BikeRadar's bike maintenance video series, produced in conjunction with Unior tools and What Mountain Bike.
This week, What Mountain Bike's technical editor Justin Loretz shows you how to tune your bike's gears. When gear cables became frayed and worn they need replacing, as Justin demonstrates below.
Over the last few months we've been running a series of road and mountain maintenance videos and a round-up of both will be on BikeRadar shortly. In the meantime, check out the adjacent links.
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