Dear Sir/Madame, I'm Tran Huu Van, the owner of Saigon Bike Shop ( the site has not finished yet) and also the manager/owner of Vietnam Backroads Bicycle Tours based on in Saigon, Vietnam. Here is our sites: - http://mekongbiketours.com/ - http://www.vietnambackroads.com/ - http://saigonbikeshop.com/ I have organized bike tours in Vietnam, Cambodia and Laos and of course, I need alot of spare parts of MTBs. Now I'm building a new site: http://saigonbikeshop.com/ to sell bicycle spare sparts and its accessories. I would like to buy Shimano groupset, spare parts and frames of bikes and so on. Thanks so much and hope to hear from you.Tran Huu VanNick name is Van the Man