128mm or 131mm size. What do they refer to with just 3mm difference Edit, appoliogies, replying to @Kanj
I'm guessing width of the seat. I have three of them already on three different bikes all bought off eBay/here and 3mm is within the margin of error of my ability to measure. 131 was out of stock when I ordered.
@Kanj started
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128mm or 131mm size. What do they refer to with just 3mm difference
Edit, appoliogies, replying to @Kanj