The Park Tool BDT-2 Belt Drive Tension and Alignment Tool, click to enlarge
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Item # BDT-2

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Belt Drive Tension and Alignment Tool

The BDT-2 is a go/no-go style gauge designed to help set the proper tension on most belt drive systems and sizes. Also gauges rear cog parallelism and angularity.

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BDT-2 Belt Drive Tension Gauge

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