Available Brakepads REAR HIGH PERFORMANCE BRAKEPADS S50 AUDI A3 8Y QUATTRO CUPRA FORMENTOR SEAT LEON KL... SDT BRAKES Ref. 2148000 €143.05 We manufacture our SDT Brakes High Performance car brakepads with an organic compound (S-50), developed for sport use and improving safety in your braking.. Ideal for daily and performance, also for off road and commercial cars.This brake pad reference is for VAG with 310mm discs.