Downtube Bike expandable Seat Pack

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Expandable mini seat pack, super stable on the bike, solid velcro straps, reflective material for safety
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The Ultimate mini seat bag!

We now introduce best mini seat pack. It is perfect for carrying an extra tube and tire levers, or even a phone one you use the zippered expansion. It is stable since it attaches to the seatpost and the saddle rails with high quality velcro straps. It's expandable into a mid sized seat pack with a zipper release. Relective strip in the back for safety. Top quality construction with water resistant fabric.

Big and Small

Overall this mini seat pack is super stable with it's small size. It is also expandable ( if you carry extra stuff ), into a solid mid sized seat pack via zippered compartment.


  • 600D (water resistant) fabric 
  • Safety reflective strip 
  • Adjustable strap for placement on the saddle
  • Expandable capacity 
  • Weight .5lbs

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  • 5
    Seat Pack

    Posted by Richard Frenette on Jan 27th 2020

    You should get all of the Downtube bags to have the carrying options that suit the days ride and the ones you didn't expect to do. The seat pack doubles as padding for electronic gizmos when you take it off the bike.

  • 5
    Excellent. Five Star

    Posted by DONALD GULOIEN on Nov 18th 2017

    Bought a couple of Downtube bike seat packs. Liked them so much, we bought six in total. Really well designed, easy to attach, collapsible/expandable, and complete with flexible reflector that works really well. Excellent price. Five star.

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