Yes, your bike runs on magic. Yes, its machinations are entirely unknowable. Alright, we're exaggerating, but bicycles can feel that way to a lot of people—even die-hard cycle commuters who mount up ...

Last spring, I finally dragged my Trek Checkpoint ALR5 out of the garage for a much-needed tuneup. I ride year-round, but it’s often difficult to regularly wash and tune a bike during winter in ...