Shifting issues' Skipping chains' Grinding sounds coming from your drivetrain' It's quick and easy to point to chain wear as the culprit, but sprocket wear can screw up your ride, too. Use the handy Unior Sprocket Wear Indicator to tell how much life is left in your cogs, and the included instructions can help you get going.
|Backcountry||$17.54 on sale||$23.39|
|Competitive Cyclist||$19.88 on sale||$23.39|
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