The Ortlieb 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. If the basic functions of the Back-Roller Core are ever insufficient, this practical bag can be expanded with various optional accessories. The Carrying System Bike Pannier helps carry the Back-Roller Core on your back, various inserts provide stability to the bag body off the bike, or offer better organization inside the rear bike bag.

• QL2.1 mounting system for racks up to 8, 10, 12 and 16 mm
• Waterproof gag made of PVC coated polyester fabric
• Top QL hooks and lower sliding hook adjustable without requiring any tools
• Lower hook rail synthetic to reduce abrasions on rack
• Highly reflective Scotchlite reflector
• Easy to clean inside
• Carry Location: Rear
• Color: Red/ Black
• Number of Compartments: 1
• Dimensions: 17 x 23-32 x 42
• Total Volume: 20
• Access Style: Roll Top
• Individual or Pair?: Individual
• Off Bike Carrying Method: Handle
• Defined Color: Red
• Includes Rain Cover: No
• Weight: 820
• Waterproof: Yes