As some have said this isn't a fair question. Not all carbon wheels are built the same nsor are all alloy. I like alloy for the cost and compliance. Been running a wheel set hard for 2 years and haven't had issues. Spank 359 laced with hydras. Talk to a local, reputable wheel builder after you...
I've owned the timp peak for about 300 miles now. I live in arizona and I've had some issues overheating the battery in 100+ degree (F) riding.This causes the battery and motor to be unable to communicate and you get no power. In the extreme heat is only time I've experienced that.
That being...