Girodisc Mercedes A45, CLA45, GLA45 Front Replacement Rings AN Fittings Fitment: Designed for D50 caliper

Fitment: Designed for D50 caliper applications

Spring rate 100 N/mm (70 N/mm option)

Straight-through internal structure for improved exhaust efficiency

Minimizing brake fade & judder during extended sessions

This polymer lid is a separate upgrade designed specifically for existing iE Cold Air Intake Kits

Girodisc Mercedes A45, CLA45, GLA45 Front Replacement Rings AN Fittings Fitment: Designed for D50 caliperOur replacement rings are sold in pairs and include replacement hardware. The only parts you will reuse are your existing GiroDisc hats. Please note that unless specifically noted, GiroDisc replacement rings are only designed to work with GiroDisc hats. They are not designed to be used with other brands, including hats from cars equipped with 2 piece rotors from the factory.