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This larger version of the Topeak DynaPack™ offers near TrunkBag space without needing a rack and features an expandable top to hold a helmet, shoes or other large objects.
Molded from rigid EVA foam and 420 denier nylon for a sleek, aerodynamic shape, a divided main compartment, plus one zippered compartment handle organizational duties. The lightweight aluminum exo-frame features a quick release mount that attaches to seatposts measuring 24.5-34.9mm. Other features include a convenient carrying handle and 3M reflective strip and RedLite™ clip for extra safety.
Buy Topeak Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.