Join Date: Sep 2005
Bikes: Windsor Fens, Giant Seek 0 (2014, Alfine 8 + discs)
Mentioned: 4 Post(s)
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Quoted: 198 Post(s)
If the tires flat by themselves, where is the puncture in the tube? If on the inside, check to see if your rim strip is in good shape and properly positioned.
I once had 5 flats in one day before I found out what a bad rim strip was. Usually I have about one flat per year.
Work: the 8 hours that separates bike rides.