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9mm QR Endcaps, Endcap Kit

Regular price $30.00

Unit price per 

Designed with the end-user in mind, our end caps are easy to remove and install as possible, simply pop them in or out without any tools.  The pre-installed o-rings provide just enough friction to hold them securely in place.

  • Compatible with 100 ISO and 110 Boost hubs.

If you are experiencing issues with your Project 321 hubs and you feel you require warranty help, please use the link below to learn more.

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