EBC Brakes Red DH/Enduro/E-Bike “R” suffix brake pads are designed for use where extra high friction is needed. Lifetime is quite short but performance is great with low disc damage and very little heat transfer into the hydraulics. EBC Brakes “R” suffix mountain bike replacement brake pads are an organic compound suitable for use on all disc types. All EBC Brakes replacement mountain bike brake pads are made using magnetic stainless steel backing plates. Fits: Shimano Deore BR-M495, BR-M515, BR-M525 / Tektro Auriga