I have tried laquer/clear coat and clear powder coat on refurbed fork legs, both end up deteriorating in fairly short order and look just as bad as the original finish. My 28 restoration I left them bare with the correct brushed finish and use a little corrosion inhibitor on them. This obviously will require a little regular maintenance with cleaning and re application, if you are going to leave the bike for another 20 years in a damp shed then 2 pack silver paint with an etch primer will give a durable maintenance free finish