The Park Tools DAG-3 derailleur alignment gauge is a must have for DIY bike mechanics. It’s durable, easy to use, and aligns your derailleur hanger so your bike shifts properly.
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MokWheel Obsidian Full Review
The Park Tools DAG-3 derailleur alignment gauge is a must have for DIY bike mechanics. It’s durable, easy to use, and aligns your derailleur hanger so your bike shifts properly.