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  • Park Tool Derailleur Clutch Adjustment Wrench
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Park ToolDerailleur Clutch Adjustment Wrench

Item # PAR003K

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  • One Color,One Size ($6.95)
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Item # PAR003K

Eliminate chain slap.

Designed for working on your rear derailleur in the garage workshop, the Park Tool Derailleur Clutch Adjustment Wrench features a dual-end design with 3 and 5.5-millimeter wrench ends for adjusting the clutch tension of Shimano XT, SLX, Deore, Saint, and Zee Shadow Plus Rear Derailleurs, as well as all previous Shadow Plus models. Ultimately, this allows you to adjust the rear derailleur's clutch mechanism, so you can reduce unwanted drivetrain noise and excess chain slap when you're riding over rugged trails.
  • Adjust clutch mechanism of your Shadow Plus rear derailleur
  • Compatible with all Shimano Shadow Plus rear derailleurs
  • Dual-end design with 3 and 5.5-millimeter wrench ends
Tech Specs
Tech Specs
Open End Wrench
3, 5.5mm ends
Recommended Use
bike maintenance
Manufacturer Warranty
limited lifetime

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Perfect for adjusting Shimano rear mechs

  • Familiarity: I've used it once or twice and have initial impressions

This tool works great for adjusting clutch tension on the shadow plus rear derailleurs.