I am about to buy my first mountain bike. I'm either going to get the Specialized hardrock sport (http://www.specialized.com/SBCBkMode...qnbm9ok.j27007) or the trek 4300 (http://www.trekbikes.com/bikes/2004/...jsp#largerview). I want to get avid CPS disk brakes as an upgrade, but I'm not sure if they are compatible with these bikes as they are stock. Would I need to get new hubs/rims, or something? I'm new and stupid, help me out here please. Thanks for the info,
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Thread: Avid disk Brake Compatiblity?