Hydraulic brake bleeding, DOT-fluid compatibility, tools, platform distinctions, and completion checks for ONYX brakes.

Defines inspection, diagnostic, and maintenance procedures for ONYX braking systems, including hardware differences between 72V, CTY2, and 80V models, fluid compatibility, bleeding methods, pad behavior, and regenerative braking interaction.

Details the correct brake pad bedding procedure for ONYX 72V and 80V bikes to improve braking feel and prevent rotor glazing.

Details how to install a twin-piston rear brake upgrade on the 72V ONYX, including parts, brake line routing, bleeding procedure, and rear disc replacement.

Details the installation of the larger MOKE front brake caliper on the ONYX 80V, including compatibility, torque specifications, and bleeding procedure.

Documents service intervals, inspection procedures, system checks, and storage practices for maintaining ONYX platforms in safe operating condition.