Want to quickly unload your entire seat pack and keep everything totally waterproof? The Terrapin is your answer. The Terrapin is a holster-like mount that integrates with our specially shaped drybag. With a drybag you get a 100% waterproof system where the load can be quickly removed from the bike for packing or unpacking.

Terrapin Mount and drybag sold individually.

Not compatible with the Spocket top pouch.


  • Quickly removable drybag system. Pack the bag at camp then load on bike.
  • Side wing compression system featuring plastic side panels with fiberglass stiffening and an HDPE bottom sheet
  • The lower side wing straps feature an upward pull, 3:1 mechanical advantage which engages the side panels
  • Entirely flexible system, no hardware to break when bushwacking


Check tire clearance with bag loaded prior to use to prevent bag damage or worse. On full suspension bikes fully compress rear suspension and check tire clearance prior to use. 


  • Weight:  Terrapin - 13.0 oz; Drybag - 4.5 oz
  • Volume:  Drybag - 14L with 3 rolls of the closure
  • Materials:  Terrapin - VX 21 X-pac; Rhinotec; Drybag: 200-denier waterproof TPU laminated nylon

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