Salsa EXP-R Series Cattail Rear Top Tube Bag – Gray. Stash snacks tools and more with the EXP-R Series Cattail Rear Top Tube Bag. Taking up the under-utilized space at the top tube-seat tube junction this bag is there when you need it and out of the way when you dont. Add this extra bit of cargo capacity to your gravel bike to help you go the distance.

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