Shimano Shimano B01S Resin Disc Brake Pad and Spring, 4th version of B01S pad, fits many Deore, Alivio and Acera Calipers - Philbrick's Ski, Board, & Bike
Shimano B01S Resin Disc Brake Pads - Blue Sky Cycling
Shimano B01S Resin Disc Brake Pad and Spring, 4th version of B01S pad, fits many Deore, Alivio and Acera Calipers - REV Endurance Sports
Amazon.com: SINTER Premium Brake Pads for Shimano B01S, Bicycle Brake Pads B Type Resin, Organic Bike Disc Brake for Shimano, Tektro, TRP, Quad : Sports & Outdoors