ultracyclist
New member
I am stealing this idea from the K bike thread.
Can you run synthetic in airheads?
For that matter, what happens when you put synthetic oil into a machine that has been using regular oil for years (1000's of miles)?
When is it dangerous to run synthetics in any bike?
Can you run synthetic in airheads?
For that matter, what happens when you put synthetic oil into a machine that has been using regular oil for years (1000's of miles)?
When is it dangerous to run synthetics in any bike?