Brake Type: Disc Brake; Length [mm]: 505; Number of wear indicators [per axle]: 2; Fitting Position: Rear Axle; Braking System: for carbon-ceramic brake discs, not for carbon-ceramic brake discs; Model Year from: 2010; PORSCHE: BOXSTER (986),BOXSTER (987),CAYMAN (987),Boxter Spyder (987); 98661236500, 98661236501; Brake Wear Indicator,Brake Wear Sensor,Warning Contact, brake pad wear