TREK Interchange Pannier 2 These panniers are perfect for commuting and touring Large main compartments, smaller secondary compartments, mesh outer pockets Extras include: built in rain cover, reflective trim, tab for light & compression straps to stabilize load They mount to most bike racks or the Trek Interchange mounting system (sold separately) Capacity: 2520 Cubic inches Brand new, never been used (note pics are from website - but are the exact same panniers) Hard to find, retail for $180 + tax, will sell for $125