You may want to try a salvage yard for one and hope it's in good shape.
I did find the one for the right side if you wanted to switch everything over.
http://www.davescyclesupply.com/product_details.php?category_id=194&item_id=1050
I did find the one for the right side if you wanted to switch everything over.
http://www.davescyclesupply.com/product_details.php?category_id=194&item_id=1050