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
Amazon.com: SHIMANO 2 Pairs Disc Brake Pads & Spring B01S-B03S (Resin) : Movies & TV
Amazon.com : SHIMANO B01S Resin Disc Brake Pad & Spring, 3rd Version of B01S pad : Sports & Outdoors
Shimano Brake Pads B01S Disc Brake Pads Resin for ACERA ALIVIO DEORE D