Hawk ER-1 Rear Race Brake Pads for 2006-2024 MX-5 and 2017-2020 Fiat 124 Spider Rear Brakes - HB523D.539
Hawk HB523D.539 rear brake pads for 2006-2024 Mazda MX-5 Miata and 2017-2020 Fiat 124 Spider with the specified original rear brakes.
Rear axle only; original single-piston rear calipers, 11.0-inch solid iron rear rotors and mechanical parking-brake system. HB523 pad thickness is .539 inch. Match the original clips, shims and parking-brake hardware. NC and ND Mazda MX-5 and Fiat 124 Spider front-brake options do not identify the rear caliper: factory Brembo-front cars retain the specified single-piston rear brakes. Excludes NA/NB Miata rear brakes, carbon-ceramic rotors, aftermarket rear-caliper conversions and competition-only brake systems.
Coverage follows the listed year and trim combinations: NC Touring through 2012, Club from 2013, RF from 2017, 25th Anniversary in 2015, 100th Anniversary in 2020, and Fiat Urbana in 2019-2020. Unlisted model years, market-specific trim aliases and conversions require exact-part confirmation.
ER-1 Compound
Endurance racing compound designed for stable brake torque, modulation and long service life.
- Rear axle pad set
- Hawk part number: HB523D.539
Important: Expect increased noise, dust and rotor wear.