Lowering: from -80mm to + 20mm Thanks to the advanced 24-step hardness adjustment, you can adjust the suspension to your needs, making it extremely hard or set the hardness similar to the series. The set consists of: 4 springs 4 key threads The product is covered by a 24-month warranty. 5D. Specification of springs included: FRONT: LENGTH: 180MM HARDNESS: 8KGF / MM BACK: LENGTH: 180MM HARDNESS: 5KGF / MM Lowering: from -80mm to + 20mm Thanks to the advanced 24-step hardness adjustment, you can adjust the suspension to your needs making it extreme or set the hardness similar to the series The set consists of: 4 springs 4 threads of the keys of the manual NOTE: It does not fit the 5D version. The product is covered by a 24-month warranty.