I noticed over the past few weeks that both of my thumbs (base joints) have been real sore (no numbness). Today I ordered smaller handlebars since my current bars appear to be too wide. Has anyone dealt with "sore thumbs"? I ride about 130-150 miles a week on a road bike. Currently, I've been taping and taking Advil with some relief, but I'm thinking longterm and want to avoid a chronic problem.