| 摘要 |
An aid for use in checking bicycle wheels for true rotation including a base having clips thereon for clamped attachment to the bicycle fork or seat stay. A straightedge reference member is positionable alongside the wheel rim. A support member for said reference straightedge member is pivotally attached to said base to permit precise positioning of the reference member against the wheel rim. Certain components of the aid are flexible to yield upon wheel contact.
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