The Blackburn EX-1 rear bicycle pannier has a universal design suitable for bikes with narrow and wide tires. The model is compatible with wheels from 26 to 28 inches in diameter. Its curved construction is designed to fit disc brakes. The structure is sturdy and resistant to mechanical damages, achieved through the use of aerospace-grade aluminum, which is durable yet lightweight. The maximum load capacity of this model is 20 kg, allowing for the transportation of a significant amount of luggage. It is also ideal for multi-day cycling tours. There is an option to attach a child seat to the Blackburn EX-1 pannier, but remember not to exceed the recommended load capacity, which includes the weight of the child and the seat.