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 disc brake pads - USPROBIKES
Shimano B01S 4TH VERSION DISC BRAKE PAD AND SPRING | Bike Brakes
Shimano B01S Resin Disc Brake Pad Set w/3 types of Split pin - JV Bike