Learn to tune and maintain a bicycle

Derailleur adjustment, brake bleeding, true a wheel. Make the thing that takes you places speak to you.

Why it's worth it

Mechanical competence is deeply satisfying. A bike you maintain yourself feels different from one you just ride.

How to start

Park Tool YouTube channel · Bicycling Science (Whitt & Wilson) · your local bike cooperative

Who'd love it

Perfect for: cyclists, hands-on thinkers, independence seekers