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Technical Guides

Project321 technical and service guides can be found below.

G3 Hub Service

View the G3 hub service instruction manual.

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G3 Hub Dimension Chart

View a complete list of G3 hub specifications and wheel building information

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G2 Hub Service

View the G2 hub service instruction manual.

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G2 Hub Dimension Chart

View a complete list of G2 hub specifications and wheel building information.

Download
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