I don't use a seat bag - I suspect it may have something to do with the types of thread used. The UNO pair I owned had a 80/20 mix of polyester and nylon. Another pair (of slightly dearer price) I have owned since early 2004 has never had that problem, and its proportions are 80/20 nylon/lycra.Wrightstuff said:The problem is that Lycra and velcro don't like each other.
No idea, otherwise, though
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nerdag