My winter ways!
I like to ride a few of my classic bikes all-year round, and with winter approaching the first spread of salt is already on the roads so I have to make sure they are sprayed with a protective moisture displacement spray such as WD-40 before venturing out.
Even on a sunny day when the roads are dry they can still have residual salt dust that will get stirred up by the motion of the wheels and will settle all over the bike. This is not a problem if the salt dust stays dry, but salt dust is a great desiccant and will absorb moisture out of the air, causing a
