I broke the cross brace only because I was testing out a new track layout and snagged a board in the middle of a chicane that was not locked down. Other than that I think the CH12 is more or less indestructible.
My LHS put in an order for BSRs from Jason last Monday and they were in for our race on Saturday. Thanks to his speedy delivery I took the 13.5 Expert event. I ran magenta fronts and pink rears, the car was planted!