The Back-Roller Core is the solid base bag among the Back-Rollers and yet 100% waterproof. With its robust polyester fabric, it's not only suitable for extended bike tours but also ideal for daily urban commutes. With the Back-Roller Core, you're always ready to transport important items dry and securely – whether it's on your way to work, shopping, or other urban adventures. A reliable companion that withstands the elements and simplifies your everyday life.

- Sold as single bag