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Custom Ultra VX40 Framebag

(1 customer review)


See the Features Page for complete details of framebag features. Please note Ultra VX40 only comes in silver.

Ultra VX-40 is one of the most durable pack fabrics used for the most demanding backcountry environments. Commonly found on high-end mountaineering packs this material has durability that can exceed Cordura Ballistic nylon at 57% less weight. Please note Ultra VX40 only comes in silver.

Base features:

  • Durable #10 YKK zipper
  • Variable velcro attachment to the top tube near your stem. This allows compatibility with your choice of top tube bag, including the Rockgeist Cache bag.
  • If a horizontal divider is not chosen, large framebags at risk for leg rub will come with a small vertical divider.
  • Hydration/electronic access
  • Drain port

Additional information

Weight 0.8 lbs

1 review for Custom Ultra VX40 Framebag

  1. Dave Wright (verified owner)

    This is a great custom bag! Perfect fit in my frame, fairly light but solidly made to withstand overstuffing and time, and the silver color goes well with my Ti frame. I got the half framebag configuration, parallel to top tube slope at the rear and curved down toward the downtube at the front for a little more capacity. Touches top of a 28 ounce bottle on seat tube, but stays a little clear of the downtube bottle for riding access. Map pocket is perfect for phone and ride fuel. Internal pump hanging loops and drain grommet are good touches. Rockgeist positioned the downtube Velcro perfectly to be as low and secure as possible but not conflict with my exposed cables/guides. Trimmed the Velcro straps a bit for easier mounting. Bag was bought for an upcoming tour, but will be used whenever extra space needed or want to ride light instead of jersey stuffed on hot summer days. Thanks to Greg and the crew!

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Custom Made Using PhotoFit®

The easiest way to get a perfect fit to your frame

What Packs Best in Your Framebag?

Puffy coat, rain coat, and extra layers.

Your flat kit; extra tube, tire sealant, tire lever, pump, etc.

Water bladders fill framebag nooks better then hard plastic bottles.

Large food items; foot long sandwiches, burritos, pizza, etc.

Smaller snacks can fill up the extra space.

Tent poles can packed inside (wrapped in hang loops).

I’ve had this bag since 2019 and it’s still going strong. It’s beautifully made, fits my bike perfectly and has put up with lugging heavy supplies over rough terrain with zero issues. I like everything about it. 100% recommended. 


Frequently Asked Framebag Questions

Can I add custom features?

Absolutely. Take advantage of made to order gear and make it personal.

Can you describe the features in the drop down menu?

To see a discription and pictures of every feature please head to the Framebag Features page.

Can I do a seat tube or top tube bolt-on?

Absolutely. Please add that feature in the Framebag Extras category

What does "Monthly Capacity Reached" mean?

The level of customization, quality, and attention to detail requires a generous time commitment for each custom framebag we make. This creates a great product, however, it is challenging to scale our services to meet the demand. To serve our customers better, there is a limit on how many framebag orders we accept each month.

If you see the “Monthly Capacity Reached” notice on the custom framebag product, please check back on the 1st day of the next month to place your order. Capacity limits will be reset by the 1st of each month. Thank you for your patience and understanding.

When will my framebag ship?

Please see the lead time posted on the gear pages to get an idea of when your gear will ship. While lead times are an estimate, serious effort goes into keeping those estimated times accurate.

Do you have a photofit template of my bike already?

Please send your photofit picture even if you’re certain Rockgeist has that template already. Reason being is that two “identical” bikes from the same brand, model, size, and year can have different cable routing, one with a front derailleur, mud guard, a different brand of rear shock, etc.

Framebags are built to be optimized to your exact bike, down to the smallest of details which are all captured in your photofit picture.

Can you make a framebag from a spec (CAD) drawing?

While there are many ways to make a framebag, making them from a spec drawings is not our method. We’ve ran into too many issues where the spec drawing did not match the physical bike (for example moved bolt holes). Rockgeist only uses our PhotoFit method. This creates the most efficient process on our end and helps keep lead times as low as possible.

Which international countries do you ship to?

Rockgeist ships world-wide, simply select your country during checkout. If your country is not listed, please email [email protected] to receive a quote.