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Woolf Tooth B-RAD Roll Top Bag 1.1L with Adaptor Plate

$76.00 Incl. tax
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The B-RAD Roll-Top Bag is a weatherproof bag, waterproof fabric with sealed seams, that can be used 3 different ways.

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1) a replacement for your "Gear Strap" (or "Enduro Strap") that holds a tube and/or tools to various locations on your frame

2) a dropper post compatible under saddle bag

3) a B-RAD accessory for mounting on a B-RAD Base.  The B-RAD Base allows for efficient and secure on-bike storage organization using the water bottle cage mounts on your bike.

The fitment "Strap is the Roll Top Bag" includes the bag and silicon backed strap for mounting methods 1 and 2 above.

The fitment "Bag, Strap, and Mounting Plate" includes the bag, strap, B-RAD system mounting plate and hardware. This allows you to use all 3 mounting methods above.

Complementing products:


  • Can be mounted directly to any tube on a bike with just the strap
  • With the Mounting Plate, it can be mounted to any B-RAD base for the ultimate in organized, secure on-bike storage.
  • When mounting hard items in bag (like a multi tool), be sure that there is some padding between that hard item and any external hard surface like a saddle rail or the B-RAD mounting plate.  Rubbing between two hard surfaces/edges/corners with grit mixed in will eventually wear through the bag.


  • Made of waterproof PVC backed 420D ripstop nylon with sealed seams.
    • This bag is not classified as waterproof (dunkable), but it is extremely water and weather resistant.  
  • Duraflex buckle
  • Hardware included with optional adapter plate
  • Dimensions (oval shaped): 7 in x 4 in x 2.5 in (18 cm x 10 cm x 6 cm)
  • 1.1 liter capacity
  • 2 in wide silicone-backed strap
  • Weight: 76 g without the adapter plate
  • When mounted on the underside of downtube check clearances before riding


An innovative, flexible system for organizing on-bike bottle storage and accessories

Customize storage to your specific needs with flexible 3-step B-RAD system. Here is how it works:  
B-RAD Base – available in a variety of lengths

  • Attaches to bottle cage mounts on bike
  • Provides platform for the B-RAD system 

B-RAD Mount

  • Attaches to B-RAD Base
  • Secures accessories to the Base
  • Accessory-specific mounts available


  • Held in place by B-RAD mounts or straps
  • Carry ride essentials like bottles or tools

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