I sent a PM about a person who might have knowledge in this area.
If you are not your own charity (whether formally organized or informal.... ie you just call yourself something) it would seem that the liability is would be no different than if you just donated a bike gathering dust in your garage......but liability does not always seem logical.
jim
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Life is too short not to ride the best bike you have, as much as you can
(looking for Torpado Super light frame/fork or for Raleigh International frame fork 58cm)