 It featured up to 125 mm (5 inches) of travel on a bicycle weighing around 10.5 kg (23 pounds).For 10 years AMP Research manufactured their full-suspension bikes in small quantities in Laguna Beach, California, including the manufacture of their own hubs, rear shocks, front suspension forks and cable-actuated-hydraulic disc brakes which they pioneered.A soft tail (also softail) relies on the flexing of the chainstays of a regular diamond frame to create suspension travel, sometimes incorporating a specific flexing member within the chainstays.