Sommerset Mallorywrote a review of Santa Cruz Bicycles Derailleur Hanger Kit - Chameleon 4.0, Nomad 2.0, Blur LT 2.0, Heckler 6.0 on June 1, 2010
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The hanger is a part that is designed to fail so you do not ruin your rear derailleur.
The part fits as described.
Cheers --> Spin and Grin.