Ortlieb Back Roller Core Rear Pannier - 20L Each Black. The Ortlieb Back-Roller Core is the solid base bag among the Back-Rollers and yet 100% waterproof. With its robust polyester fabric its not only suitable for extended bike tours but also ideal for daily urban commutes. With the Back-Roller Core youre always ready to transport important items dry and securely – whether its 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

Maximum load per pannier is 9kg / 20 lbs