Park Tool Internal Nipple Spoke  Wrench
Park ToolInternal Nipple Spoke Wrench

Innies are faster and smarter.

When your spoke nipples are ‘innies’ and not ‘outies,’ use Park Tool’s Internal Nipple Spoke Wrench to true and tension the wheel. The nipple wrench comes with 5.5mm, 5.0mm, or 3.2mm sized square socket wrenches.

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