Thread: Conti GP4000s 25mm v. 23mm
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Old 11-06-2012, 04:34 PM
dave thompson's Avatar
dave thompson dave thompson is offline
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Join Date: Dec 2003
Location: Spokane, Washington
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Measured with digital calipers, my GP4000s measure an actual 27.0 on the HED C2 and 27.2 on Velocity A23 rims.
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