Lifetime warranty. Ask one question. If I go a little extreme (say a 5ft drop) and I break the frame is it covered? This is a trick question but seriously 900$ new is a good bike. That works out to hmmm 1400 canadian. That gives you a lot of choices in a bike.
Interesting point. I contacted a UK insurance company and asked them a similar thing, that given the fact that a mountain bike has an automatic risk factor, namely the moniker 'mountain-bike' implies a greater potential for damage that a road bike, say, would not normally be exposed to. The mmmm'd and ahhh'd and basically said, they don't know what decision they'd make about a damaged frame. That puzzles me, and apart from the obvious incident such as theft, I don't know if the all-encompassing policy is really worth going for.