Hi,

I was looking at the chain oils in a shop, all the diferent formulas,
it's confusing. Any recommendations? I was wondering, what
about getting a cup of used motor oil from an auto mechanic?

I have a 15 speed mountain bike, which hardly ever goes
off road, it's mostly on the street.

Also, is there an applicator for driving the lubricant into
the links, or do you just drip it on?

Thanks,

Mark