Shimano DA WH-7800 wheelset/Small hole in rim?



knifegun

New Member
Jan 12, 2005
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I just purchased a set of Shimano DA WH-7800 wheels. I noticed there is a small hole in the rim below the braking surface to the right of the "Shimano Wheel" sticker. The hole is on both rims on both sides. Is this a drainage hole?
 

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