Orlieb Back Roller Core Rear Pannier - 20LThey See Me Rollin'Panniers are great for bike commuters and packers who want to carry their gear but don't want to wear backpacks. The Ortlieb Back Roller Core Rear Pannier is a 100% waterproof, robust polyester bag ideal for extended bike tours and daily commutes. It keeps items dry and secure, making it perfect for work, shopping, or urban adventures. Expandable with optional accessories like the Carrying System Bike Pannier and various inserts for stability and organization, it's a reliable companion that withstands the elements and simplifies everyday life. Features QL2. 1 mounting system for racks with a tube diameter from 8mm to 16mm Waterproof bag made of PVC-coated polyester fabric Top QL hooks and lower sliding hook are adjustable without any tools Highly reflective Scotchlite reflector enhances your visibility in low-light conditions Maximum load per pannier: 9kg / 20 lbs Dimensions: 17 x 23-32 x 42cm Total volume: 20LWeight: 820g | Ortlieb | Back Roller Core Rear Pannier - 20L Red/ Black | Polyester