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@Ribblekid
Hi trying to get an old frame running again.
It's a Sun frame from Birmingham. No other markings than that. I have got a set of calipers to measure the seatpost and I think it's 26mm. Does anyone know what's the correct post diameter to buy.??
I have found a 25.8mm on dreaded eBay but don't want to buy the wrong one.
Caliper is a cheap digital one so may be slightly out
Any help appreciated