Glad you’re okay. The vibration while braking might be your wheel is out of true, or damaged brakes, or something else. And the shifting could be as simple as a bent derailleur hanger, pretty easy fix! Hard to tell without seeing it. Definitely have the bike looked over by a mechanic, you might just need a few minor repairs and can keep riding it. New helmet 100% though!
skunk
joined 2 years ago
And if not teaching in the traditional academic/classroom setting, at least spread awareness about why privacy is important, why one should care, and what can be done to protect one’s privacy to friends/family/others who will listen