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Behold Flat Repair Kit Cage with Kargo Bike Tube Bag

Always ride prepared to fix a flat—carry your tools and a tube 24/7

A better way to carry your emergency essentials

Behold is the world’s first flat repair kit cage. It lets you carry a simple flat repair kit (tools, CO2 cartridge and spare 700cc or 29er tube) on your bike’s frame. Unlike a seat bag it’s completely out of your way.

Behold mounts on your frame

Behold attaches to your bike’s water bottle cage mounts (braze-ons). The down tube is the preferred location but some riders like to mount it on their seat tube. Touring bikes may have mounts below the down tube that Behold can use.

Need to carry a water bottle? Just attach any water bottle cage (not included).

What’s wrong with seat bags?

Lots of things, at least to us. Using a seat bag was what prompted Allen Young (Tallac’s founder & chief designer) to design the Behold. Allen hated commuting with a seat bag:

Using a saddle bag to carry a small flat repair kit can drive you nuts. Contents rattle with each bump. Straps sometimes come loose. Worse yet is when seat bags rub on the soft inner thigh panels of your riding shorts they’ll wear out quicker. What cyclist likes replacing an expensive pair of lycra cycling shorts?

Meet the Kargo bag

Kargo is a rugged ballistic nylon bag designed solely to carry a flat repair kit. It’s interchangeable with all of our carrying systems. So you can use the Kargo bag that comes with your Behold in our Kargo Water Bottle Cages.

Bags come in two sizes:

Here’s what fits (snuggly) in a Kargo bag:


Fit & Installation

Will Behold fit my bike?

If your bike’s frame is small, or if you own a mountain bike with a triangle of tubes at extreme angles, we recommend you print out the Behold Fit Guide. It’s a 1:1 scale version of the Behold you can use to be sure your frame has enough space.

Using Behold with a second water bottle cage

Installing Behold raises your water bottle up slightly from the down tube of your frame. This decreases the clearance space between the two cages. Use the Behold Fit Guide (below) to confirm your frame still has enough space.

Using a Behold Fit Guide printout to determine if a frame has enough clearance space to fit a Behold and a second water bottle cage

Using the Behold Fit Guide to check clearance space

Download and print out the Fit Guide. Follow the instructions to be sure your frame has enough space.

Download: Behold Fit Guide (PDF - 66 KB)

Email: if you have any fit questions. We are glad to help.

Where to install Behold

The preferred place to mount a Behold is the top side of the down tube (C) of your bike. The seat tube (D) is the second most common. Some touring bikes allow a third mounting location on the bottom of the down tube (C).

image shows a Behold cage installed under a water bottle cage on the down tube and a second water bottle cage on the seat tube

Installing Behold

To install Behold, follow the step-by-step installation instructions that come with the Behold cage.

Download: Behold Installation Guide (PDF - 233 KB)

Attaching a water bottle cage to your Behold?

Please note: screws that come with the Behold are the correct length (8mm) for King Cage water bottle cages. You may need to purchase different length screws for your particular water bottle cage, most likely 6mm or 10mm long, but it’s impossible for us to say. Try to use the supplied screws first.



Behold with 7.5-inch Kargo Road Bike Tube Bag 3.81 ounces (108 grams)
Behold with 9.5-inch Kargo Mountain Bike Tube Bag 3.95 ounces (112 grams)
Behold Flat Repair Kit Cage (cage only) 2.05 ounces (58 grams)
7.5-inch Kargo Road Bike Tube Bag (bag only) *1.27 ounces (36 grams)
9.5-inch Kargo Mountain Bike Tube Bag (bag only) *1.42 ounces (40 grams)
Mounting hardware 0.49 ounces (14 grams)

Bag weights provided are typical. Bags can vary by few grams.


Not interested in cubic inches? Here’s a list of what fits in a Kargo bag.

7.5-inch Kargo Road Bag 19.5 cubic inches (322 cubic centimeters)*
9.5-inch Kargo Mountain Bag 25 cubic inches (408 cubic centimeters)*

*Based on bag size of 9.5″ x 3.5″ x .75″.

External dimensions

7.5-inch Kargo Road Bag 7.5″ x 3.5″ x 1.0″ (190mm x 88mm x 25.4mm)*
9.5-inch Kargo Road Bag 9.5″ x 3.5″ x 1.0″ (244mm x 88mm x 25.4mm)*
Behold Flat Repair Kit Cage 5.16″ x 3.03″ x 1.61″ (131mm x 77mm x 41mm)*

*Kargo bag filled to capacity.

Behold Flat Repair Kit Cage

Materials Strong, durable 3/16″ diameter 304 tubular stainless steel, 304 stainless steel mounting plates. King Cage uses the exact same material for its popular stainless steel water bottle cage.
Construction Tig welded stainless steel tubing and sheet. Handmade by King Cage in Durango, Colorado.

Kargo Bags

Materials USA made, ballistic nylon fabric with water resistant coating. It’s strong, puncture resistant, abrasion resistant and long lasting. The fabric is thick and gives the bag structure. It also makes bags look nicer and slide into the Behold cage easier.
Nylon thread is used for added strength and durability.
Hardware An over-sized zipper helps you compress your gear inside the Kargo bag so it fits into the Behold cage snuggly.
Large ITW silent zipper pull (easy to use with gloves).
ITW Nexus quick-release buckles. These are the same super tough nylon buckles the U.S. military uses. They’ll work even when muddy.
Construction Back stitching (lock stitching) at all seems is used to prevent unraveling or loosening.
Lock stitched to prevent chaining of broken threads.
Double stitching on zipper tape adds strength and durability.


Have you recently reviewed the Behold? Email us a link and we will share it here.


We want you to be satisfied

Not satisfied with a recent purchase? Tallac offers 30-day no-hassle returns. We will refund your money and even pay the return shipping. Learn more »

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The Behold Flat Repair Kit Cage is not being manufactured at this time. With enough interest, it (or a similar product) may be available in the future. To be notified please email

If you have a minute, please let us know what it is about the Behold that you prefer. Why not just get a Kargo Cage? Our designers will take note.

Tallac Behold with 7.5 inch road bag

(Out of stock)

Tallac Behold with 9.5 inch mountain bike tube bag

(Out of stock)