![Amazon.com : SHIMANO B01S Resin Disc Brake Pad & Spring, 3rd Version of B01S pad : Sports & Outdoors Amazon.com : SHIMANO B01S Resin Disc Brake Pad & Spring, 3rd Version of B01S pad : Sports & Outdoors](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/71oYpRtnEUL._AC_UF1000,1000_QL80_.jpg)
Amazon.com : SHIMANO B01S Resin Disc Brake Pad & Spring, 3rd Version of B01S pad : Sports & Outdoors
![Type 22 Shimano B01S Resin Disc Brake Pad and Spring, 4th version of B01S pad, fits many Deore, Alivio and Acera Calipers - Small Planet eBikes Type 22 Shimano B01S Resin Disc Brake Pad and Spring, 4th version of B01S pad, fits many Deore, Alivio and Acera Calipers - Small Planet eBikes](https://www.smallplanetebikes.com/wp-content/uploads/2021/03/BR8263.jpg)
Type 22 Shimano B01S Resin Disc Brake Pad and Spring, 4th version of B01S pad, fits many Deore, Alivio and Acera Calipers - Small Planet eBikes
![Shimano B01S Resin. Took it off my bike to clean because it is not working properly. One side has 'IS' marking in it and has carvings around it. What does it mean? Shimano B01S Resin. Took it off my bike to clean because it is not working properly. One side has 'IS' marking in it and has carvings around it. What does it mean?](https://i.redd.it/e3koo0nxz8n71.jpg)
Shimano B01S Resin. Took it off my bike to clean because it is not working properly. One side has 'IS' marking in it and has carvings around it. What does it mean?
![Amazon.com : SHIMANO B01S Resin Disc Brake Pad & Spring, 3rd Version of B01S pad : Sports & Outdoors Amazon.com : SHIMANO B01S Resin Disc Brake Pad & Spring, 3rd Version of B01S pad : Sports & Outdoors](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/71LDueDMpgS._AC_UL420_SR420,420_.jpg)
Amazon.com : SHIMANO B01S Resin Disc Brake Pad & Spring, 3rd Version of B01S pad : Sports & Outdoors
![Amazon.com : SHIMANO B01S Resin Disc Brake Pad & Spring, 3rd Version of B01S pad : Sports & Outdoors Amazon.com : SHIMANO B01S Resin Disc Brake Pad & Spring, 3rd Version of B01S pad : Sports & Outdoors](https://images-na.ssl-images-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/71oYpRtnEUL._AC_UL210_SR210,210_.jpg)