Ideal for lowered Softails
Stronger than stock springs; prevent bottoming out
Big Red springs are recommended for solo riders; rated for 1200 psi
Big Blue springs are recommended if occasionally carrying a passenger or the rider weight is 220-290 lb. ; rated for 1300 psi
Big Gray springs are for lowered machines that often carry passengers or for the rider whose weight is 300+ lb. ; rated for 1400 psi
Fit OEM and Progressive Suspension shock absorbers
Made in the U.S.A
EU: Big Red springs are recommended for solo riders; rated for8,27 MPa
EU: Big Blue springs are recommended if occasionally carrying a passenger or the rider weight is99,79 – 131,54 kg; rated for 8,96 MPa
EU: Big Gray springs are for lowered machines that often carry passengers or for the rider whose weight is 136,08 kg+.; rated for 9,65 MPa