tires/tubes for my R65

[Barry]

As I have a detachable 90 deg converter for the valve stem I'm not sure a fixed one would be my choice. They do seem to be widely used without problems though.

Just out of curiosity I put some numbers into a centrifugal calculator.

If we assume maximum 1300 wheel rpm (approx 100 MPH) and the angled portion of the valve stem weighs 10 grams (wild guess) the max. bending force on the stem is  4.3 KG or 9.5 lbs.

[livingdeadhead]

actually its because theyre only 's' rated 112 mph , or so stuart at national told me, seen lots of good stuuff about them online , so theyre probably going to stop making them any minute! lol

[georgesgiralt]

I'm fanatical with Heidenau tires. Cheap, handle very very well and in S speed rating are quite cheap. Only drawback is that they're stiff and mounting them is a PITA. But if the mounting is done by a pro .... who cares ?
As the thread is thick, I bet they last long... will report in a couple of years...

[Semper Gumby]

Looks like a late model R100 tank.  Keep that - it holds more fuel and you get a second petcock on the RH side the rest of us don't have.

[Olliepup]

I live in an area with lots of boats and get alcohol free gas at the local marina. They say it's 90 octane.
Dave