Caliper pistons seals for mountain road bike brake repairing, fixing bicycle disc brake caliper sealing rings brake piston. The piston sealing is made of PE material, which has resistance, resistance, pressure resistance, wear resistance. Easily for you to install, it can firmly be placed and won't easily off. Compatible with Shimano SLX Series-M675 M7000 M7100, XT Series-M785 M8000 M8100, XTR Series-M9020 M9000 M9100, R7070 R8070 R9170 RS785 RS805. Material PE Colour Black Outside diameter 26mm Thickness 2mm Part Type Disc Brake Caliper Sealing Rings Type Disc Brake Caliper Sealing Rings Brand Unbranded/Generic MPN MEM94927189988 EAN 4894927189988 .