As far as premium goes this Element x Krabo hand made single speed bike is definitely next level. Win the auction and you can reduce your impact on the environment in regal style, boasting top of the line components extending as far as wooden rims. There are two available online via auction at eBay with 100% of the profits going to a '1% for the planet' approved organisation.
Check out the auction here
See the hand made bikes come together, they really are works of art, here