Amazon.com : SHIMANO B01S Resin Disc Brake Pad & Spring, 3rd Version of B01S pad : Sports & Outdoors
Shimano B01S Mountain Bike Disc Brake Resin Pads fit Alivio Deore Altus BR-MT200 | eBay
Shimano B01S Resin Disc Brake Pad Set w/3 types of Split pin - JV Bike
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