I have GT-S so the cable now feels a bit too _long_, and (hopefully) I won't have to change my tire anytime soon, cause I'd have to de-assemble 1 rails, cold ones, life-saver...
But until that time comes, I feel that the axle sits pretty tight and stable, there should be no risk of breaking it and with a better cooling. Arguable it looks better than the stock blocks too.