orange71 Retrobike Rider Gold Trader Feedback View Dec 30, 2006 #1 I have a blue anodised USE seatpost - what is it's likely diameter? Is it 25 or 25.4? Currently it has a shim to take it to 27.2, but there are no markings on it.
I have a blue anodised USE seatpost - what is it's likely diameter? Is it 25 or 25.4? Currently it has a shim to take it to 27.2, but there are no markings on it.