Ortlieb Back-Roller Core

It is 100% waterproof. The roll-top closure system creates a reliable seal that protects your gear from heavy rain, road spray, and mud, making it suitable for all-weather commuting and touring.

The roll-top design requires you to unroll the top to access the main compartment, which is slightly slower than a zippered bag but significantly more secure and weather-tight. It also allows you to adjust the volume of the bag based on how much you are carrying.

The Back-Roller Core is designed primarily as a pannier. While it does not come with backpack straps, it is compatible with optional carrying accessories that can be purchased separately if you need to convert it for off-bike transport.

Yes, it is designed to fit most standard bicycle racks. However, it is always a good idea to ensure your rack has a compatible diameter for the mounting system to ensure a secure, rattle-free fit.

The base model features a large, open main compartment to maximize storage space. If you prefer dedicated pockets for smaller items, the bag is compatible with optional internal organization accessories.

Yes, the integrated high-visibility reflectors are designed to catch light from vehicle headlights, significantly improving your profile and safety when riding in low-light or dark conditions.