There were also detachable panels allowing easy access to the tailskid shock absorber. The hydraulic cylinder in an automobile shock absorber is a dashpot. A magnet combined with a rear shock absorber forms the folding mechanism. Spring and shock absorber tuning was altered slightly. Vertical shock absorber units were introduced in 1949. Rubber mud flaps and shock absorber springs may be added. This acts as a shock absorber for the rider. The performance of single shock absorber suspensions was vastly superior to twin shock motorcycles. Rear axles have independent trailing arm with coil springs and 1 shock absorber. Rear&colon; SUV-type leaf springs via gas-type shock absorber. Foam padding gloves use latex and PVC foam with shock absorber. Level 13 introduces the Shock Absorber Powerup. Front&colon; Double Wishbone, torsion bar, anti-roll bar, gas-type shock absorber. The name coilover is an abbreviation of "coil-over shock absorber". The rear shock absorber is adjustable for rebound damping.