Joined: Jan 2009
Posts: 6,654
Likes: 2,388
From: Colorado Springs, CO
Bikes: 2015 Charge Plug, 2007 Dahon Boardwalk, 1997 Specialized Rockhopper, 1984 Nishiki International, 2006 Felt F65, 1989 Dahon Getaway V
As unlikely as a serious medical problem seems, please get it checked out. The odds may be against it, but the odds still allow for it. I lost a young friend because of the attitude of "it's probably nothing". You have nothing to loose by having it checked out.