nice, ty -- though those are 35mm valves, would that be okay for the mercier kilo TT (which comes with Kenda Koncept Lite Kevlar bead 700x23c high pressure road, presta valve tubes) that I just ordered? I was trying to make sure I had some replacement tubes around. I'm still a bike noob for the most part and have never ordered online before and wasn't sure what mm valve I should get for them. I think 48 is the most common, though I'm probably wrong. A lot I see are 60mm and then those are 35. anyone know what I should stick with?