A bike shop at 521 Balboa St. in the Inner Mission was born out of a pandemic-era, quarantine-addled Twitter joke.

Repairing a gear that’s worn or damaged can seem like a challenging task, but with the right materials, it’s surprisingly easy to fix. This video shows how to use resin and graphite to repair gears at ...

Fixing damaged gears doesn’t always require expensive replacements. This video demonstrates how to fix broken gears using super glue, providing an easy and affordable solution. Ideal for hobby ...