Tri-Box Pro Duo

The Tri-Box Duo Pro is a double compartment set-up that sits below the top tube for use when greater capacity is needed. It can be used alone or with the Tri-Box Pro.
Colors: Black
Volume: 56 ci
Attachment: three point Bak2Bak
Dimensions:
5”x 1.5”x 3.75” (times two)
Weight: 4 oz