The angled valve stem is off of a Ducati. Should fit any rim I would think. Makes it a heck of a lot easier to refill your tires with air. Ebay item # 261051845764. Link:
http://www.ebay.com/itm/261051845764?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649
(http://i1146.photobucket.com/albums/o540/mm_mcg2000/DucatiValveStem.jpg)
If you want to buy either directly instead of through ebay, I can take paypal or money orders.