Seller has NOS M900 rings for sale in another auction too.
http://cgi.ebay.co.uk/XTR-M900-Cran...sure_cycling_bikeparts_SR&hash=item2eb0d08f8e
http://cgi.ebay.co.uk/XTR-M900-Cran...sure_cycling_bikeparts_SR&hash=item2eb0d08f8e
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