You can also use the Jato versions (which maybe cheaper / more available) if you just sway to using a nitro rustler setup in the front.
I had these on my pede for the bash last year - About to try them again with a cc 1512 1y on 4/5s with foams for a speed run on the pede...
http://cgi.ebay.com/Traxxas-Jato-alu...QQcmdZViewItem
http://shop.dirtyrc.co.uk/epages/es1...roducts/TJT117