I bought one of these in a 46: http://cgi.ebay.co.uk/Brand-New-Sugino-45t-130pcd-Alloy-Chainwheel_W0QQitemZ380084151787QQcmdZViewItemQQptZUK_sportsleisure_cycling_bikeparts_SR?hash=item380084151787&_trksid=p3911.c0.m14&_trkparms=72%3A1301|66%3A2|65%3A12|39%3A1|240%3A1318 http://cgi.ebay.co.uk/Brand-New-Sugino-43t-130pcd-Alloy-Chainwheel_W0QQitemZ380084152118QQcmdZViewItemQQptZUK_sportsleisure_cycling_bikeparts_SR?hash=item380084152118&_trksid=p3911.c0.m14&_trkparms=72%3A1301|66%3A2|65%3A12|39%3A1|240%3A1318
It arrived quickly and it does the job. It didn't have any sugino branding or packaging but it's probably meant for a double or tripple chainset so probably wouldn't.
@dinosaur started
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I bought one of these in a 46:
http://cgi.ebay.co.uk/Brand-New-Sugino-45t-130pcd-Alloy-Chainwheel_W0QQitemZ380084151787QQcmdZViewItemQQptZUK_sportsleisure_cycling_bikeparts_SR?hash=item380084151787&_trksid=p3911.c0.m14&_trkparms=72%3A1301|66%3A2|65%3A12|39%3A1|240%3A1318
http://cgi.ebay.co.uk/Brand-New-Sugino-43t-130pcd-Alloy-Chainwheel_W0QQitemZ380084152118QQcmdZViewItemQQptZUK_sportsleisure_cycling_bikeparts_SR?hash=item380084152118&_trksid=p3911.c0.m14&_trkparms=72%3A1301|66%3A2|65%3A12|39%3A1|240%3A1318
It arrived quickly and it does the job. It didn't have any sugino branding or packaging but it's probably meant for a double or tripple chainset so probably wouldn't.