Yes, the simplest way around your problem is to get a clamp on adapter that the derailleur will then mount to.
http://www.competitivecyclist.com/ro...1193.24.1.html
http://www.acecosportgroup.com/shop/...mp-kit-sl.html
There is quite a few companies and manufacturers that makes this. Just get the one that you like and problem solved.
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