Omega 120mm

At Triaero we love fat bikes. That is why we have brought you the 120mm travel fat bike monster that is the Omega. It might be the last letter of the Greek alphabet, but this will be the first bike...
Rear Shock*
Size Chart

At Triaero we love fat bikes. That is why we have brought you the 120mm travel fat bike monster that is the Omega. It might be the last letter of the Greek alphabet, but this will be the first bike you pull out on days that you want to have fun.

We built the Omega to allow you to go everywhere. We used Toray T700 carbon fiber for the construction of this frameset as we were fed up with everyone thinking that the only affordable fat bike frames were made of steel. We have brought you a lightweight full suspension frameset for the price of steel framesets.

Now you can afford to discover the world of fat bikes and do it in style. With 120mm of suspension travel and the ability to run 26” x 4.8” tires, there is no trail too steep and no bog too deep for you not to be able to ride over them. If you fancy skinny tires for a bit, you can even run 27.5” x 3.25” or 29” x 3” tires. In reality, we have given you three bikes for one.

To keep your new bike running silky smooth we have fitted a 120mm BSA bottom bracket; because sometimes beach riding can be fun but buying a new bottom bracket after each run is not fun. This bottom bracket is joined to a 197 by 12mm rear end. You can run some pretty wide hubs here to make sure that you have a nice stiff rear wheel.

Once you ride fat, you never go back especially if you pick an Omega.


1× & 2×Drivertrains Compatible

This frame is compatible with both 1×and 2× drivertrain setups. A removable direct

 mount front derailleur bracket allows for a clean 1× build.

RockShox Bluto Suspension Fork Compatible

120mm travel. Tapered steerer tube. 150×15mm thru-axle hub spacing, 74mm  standard post mount fork.

Frame Travel 120mm, Rear Shock 200mm Size

Omega fat bike frame travel designs as 120mm, uses 200mm size rear travel, we recommend Rockshox Manarch XX.200x51mm.

High-modulus Carbon Fiber Frame

This material offers improved stiffness, better vibration damping, excellent strength and weight savings compared to other materials.

This frame offers a 350g weight savings over the aluminum version.

Frame design, hide the brake cable and shift cable inside the frame. This not only provides cables best protection and easy maintenance.

And reduce frame weight, maintaining a high quality and high standards

Chainstay Guard

Chainstay Guard let the chain do not touch the frame by accident.

12x197mm Symmetrical Rear Spacing

Tapered Headtube

The modern standard for mountain bikes increases front-end frame and fork stiffness without adding significant weight.

Item Details

Model Omega
Type 26er Fat bike Frame
Material Carbon Fiber Toray T700
Weave Matt / Glossy
Travel 120mm
Brake Front 160mm, Rear 160mm
BB BSA (120mm BB Shell )
Size 16 / 18 / 20 inch
Weight 2685g ( 18 inch )
Rear Shock Size 200 x 51mm
 Seat Post Size 31.6mm
Headset Size Top 1-1/2" , Down 1-1/2" ( FSA:NO.42/ACB )
Rear Spacing 12 x 197mm
Tire Size 27.5x3.0-3.25" (27.5+) , 29x2.25-3" (includs 29+) , 26x3.8-4.8" up to a 100mm rim
Package Included 1 x Frame + 1 x Rear Axle + 1 x Seat Post Clamp


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Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.


We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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