This suspension lowers the seat height approximately .75" while preserving ride quality. Spring and damping rates are tailored to ensure a controlled ride.;Shock features multi-staged damping to ensure optimal performance under varying conditions;Pre-load adjuster allows for setting proper sag according to rider's weight for optimal comfort;Complement to the Profile Low Front Suspension P/N 45500427;Kit includes one rear shock absorber with remote pre-load adjuster