Two recent mobile e-bike controller replacement jobs show why proper diagnostics matter before replacing parts. CycloPunk provides mobile e-bike repair, controller replacement, wiring troubleshooting and bike repair across La Crescenta, Glendale, Pasadena, Montrose and nearby LA areas.

A flat tire sounds simple. Pull the wheel, replace the tube, air it up, and move on. But if the same bike keeps getting flats, or the tube fails shortly after being replaced, the problem is usually deeper than just the tube. That is where CycloPunk Mobile Bicycle Repair comes in. We do not just swap parts and hope the problem goes away. We inspect the tire, tube, rim strip, spoke holes, wheel condition, drivetrain area, and overall safety of the bike so the repair actually holds. If you need...

Some bikes just need a quick tune-up. Others need to be brought back from the dead. This Lectric e-bike had been sitting long enough for the drivetrain to show it. Rust had built up on the cassette, the chain needed attention, and the bike needed a proper inspection before it was ready to be trusted on the road again. The bike was not finished. It was not junk. It was sleeping. CycloPunk was called in to wake it back up. Lectric e-bike restored by CycloPunk Mobile Bicycle Repair with on-site...