In any case, I've stated my general opposition to user financing and/or targeted niche taxes. Good policies recognize the necessity of being good for the "community" rather than better or worse for groups within it. Since the community is the beneficiary it's the community (city, county, state or nation) members that pay.
An ounce of diagnosis is worth a pound of cure.
“Never argue with an idiot. He will only bring you down to his level and beat you with experience.”, George Carlin
“One accurate measurement is worth a thousand expert opinions” - Adm Grace Murray Hopper - USN
WARNING, I'm from New York. Thin skinned people should maintain safe distance.
Our illustrious "no-tax" Governor tried to boost taxes on bikes by 2% to 7.5% -- only product for which he was suggesting an increased tax -- and got resoundingly shouted down even with his party's majority in the state Congress. You'll no sooner see a use tax than you will bike registration...
I know next to nothing. I am frequently wrong.
I recommend registering and taxing bicycle helmets, rather than bicycles.Might be effective too.