I'm getting ready to replace the rear tire on my XR600, going to a Pirelli Scorpion MT. 120/80/18 size. 18" is the rim diameter. I assume the other two numbers are related to the tire width, and the height of the tire away from the rim. Not sure which is which.
However, I'd like to replace the tube also, when replacing the tire.
I want a standard schrader valve. Doesn't seem anyone calls it that. There's TR4 and TR6 valves. What are those and which is a schrader valve? I just want to be able to pull up to any gas station air pump and go to town.
And it seems that tube sizes don't correlate to tire sizes.
Amazon keyword search for 18" motorcycle tube yields the following:
http://www.amazon.com/s/ref=nb_sb_noss_2?url=search-alias%3Dautomotive&field-keywords=18%22+motorcycle+tubeWhich one fits an 18" rim running a 120/80 tire and is heavy duty and thorn resistant for desert riding?
I suppose it would probably be best to replace the rim strips also when doing this, since I have no idea what condition those are in. They're cheap, and wouldn't hurt to have on hand if the strips look worn out or oxidized when I get the tire off. But those are pretty straightforward in sizing.