Certified LEV (Light Electric Vehicle) Technician and electrical engineer with 15 years of experience specializing in e-bike diagnostics and motor system repair. He runs a specialized workshop focused on Bosch, Shimano, and Bafang systems.
Marcus Miller is a veteran e-bike mechanic and electrical engineer who bridges the gap between traditional bicycle maintenance and modern electronic diagnostics. With over a decade running a certified service center, he specializes in the complex interplay between mechanical drivetrains and electric propulsion, dealing daily with motor overhauls, battery cell balancing, and firmware troubleshooting. His expertise is crucial for riders facing technical failures, offering deep-dive advice on maintaining torque sensors, hydraulic brakes, and extending the lifecycle of lithium-ion batteries. Marcus writes for technical enthusiasts and daily commuters who want to understand the "why" behind error codes and the necessity of preventative maintenance to avoid costly replacements.