I use "California Custom original Purple"
It's available from trucking supply outlets here in Oz.
The secret is not to rub hard when applying.
I was put onto this stuff by a friend who has a show Harley.
Cheers,
Bryan
PS here is their US website
Califirnia Custom
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COB-66 Young at heart old fart.
Don't drive faster than your guardian angel can fly.
If it doesn't matter what gear your in you have enough torque.
VK3KDN