a motorcycle brake and suspension system comprising : an outer tube , having an upper end and a lower end , a mainspring mounted inside the outer tube , a brake line traveling through the central axis of the outer tube and looped to allow slack , and a braking system actuated by the brake line . the brake line actuates an integrated padlock caliper disk brake , and is protected by a flexible plastic cover . a fender bracket is mounted on the brake caliper . the integrated padlock caliper disk brake system has integrally formed brake fluid passages in the fork leg , which are hydraulically operative inside the load bearing portion of the fork leg . an adjustable push rod supports the mainspring by adjusting its neutral position length .