Originally Posted by ta_man

If you can't find the exact thing you want there is an alternative. It might look a little klugy but you can make any length CVD bone you want by extending or shortening one and soldering the pieces together with a sleeve. Of course, it won't work with aluminum bones and might not hold up for a 1/8th scale or bigger but should be fine for a 1/10th scale. Here's a pic of one I did and you can see how much wear there is at the pin end of the bone while the joint is still intact: