E-Bike Emergency specializes in electric bicycle diagnostics and repair at 115 North El Camino Real in Encinitas's New Encinitas corridor. The shop services hub-motor and mid-drive e-bike drivetrains, covering battery troubleshooting, controller replacement, and brake-system calibration that complements the full-service mechanical tune-up programs at Cadence Cyclery in Cardiff-by-the-Sea. California's SB 1271 and AB 1774 e-bike regulations, effective January 1, 2026, require compliance-ready components for Class 1, 2, and 3 electric bicycles sold and serviced in the state. Torque-sensor recalibration and pedal-assist programming round out the electronic service scope, a specialization distinct from the conventional drivetrain and wheel-building work at Leucadia Cyclery on North Coast Highway 101. Highest-tier service includes 48V and 52V lithium-ion battery pack cell-level diagnostics using BMS firmware-read tools to isolate degraded cell groups within series-parallel arrays.