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Borealis Crestone Eagle GX

Borealis Crestone Eagle GX
  • Color: Raw Carbon Green & Silver
  • Color: Metallic Red & White
  • Color: Metallic Red & White
  • Color: Metallic Midnight Blue Bronze
$2,369.00 - $4,075.00
Size: Select size
Please select options Unavailable


Since 2013, Borealis has specialized in lightweight carbon fiber fat bikes. The tried and true Crestone is our flagship model, weighing only 25 pounds with standard options. Its frame geometry is optimized for riding in snow and sand with clearance for up to 5” wide tires. Paired with the most technically advanced components in the industry, the Crestone sets the standard for premium quality carbon fiber fat bikes.


-Traditional fat bike frame geometry is both responsive and nimble for variable conditions in snow or sand.
-Standard features include: Eagle GX 12-Speed drivetrain, rigid carbon fork, carbon handlebars, carbon seat post, lightweight HED Alloy wheelset and internally routed cables.
-Tire clearance up to 26x5” and 27.5x4.5”.
-Compatibility for 100-120mm of suspension travel for more technical riding.
-Lightweight, durable carbon fiber frame comes with 3 bottle cage mounts and lizard skin protectors on both the down tube and drive-side chain stay.


Frame Borealis Crestone Carbon
Fork Borealis Rigid Carbon
Headset Borealis
Rims/Wheels MuleFut 26" x 80mm or HED BAD
Hubs Velocity Fat Disc or Borealis
Tires 45NRTH Flowbeist/Dunderbeist
Crankset SRAM GX Eagle
Bottom Bracket SRAM DUB
Chain KMC X12
Rear Derailleur SRAM EGX Eagle
Rear Cogs SRAM XG-1275 10-50
Shifters SRAM EGX Eagle
Handlebars Carbon 35mm
Tape/Grips Borealis
Stem Borealis
Brakes SRAM Level T
Saddle Borealis
Seat Post Borealis Carbon

* Subject to change without notice.


Borealis Fat Bikes

In 2013, Steve Kaczmarek started what is now the world leader in fat bikes: Borealis Fat Bikes. From the beginning, the goal was pretty simple: build the lightest, fastest, most technologically advanced fat bikes on the planet. We're still doing that today. This is who we are!

Part Numbers

Option MPN Store SKU
Metallic Red & White / Small 210000025091 210000025091
Metallic Red & White / Medium 210000025103 210000025103
Metallic Red & White / Large
Metallic Red & White / X-Large 210000025094 210000025094
Metallic Midnight Blue Bronze / Small 210000025102 210000025102
Metallic Midnight Blue Bronze / Medium 210000025092 210000025092
Metallic Midnight Blue Bronze / Large 210000025104 210000025104
Metallic Midnight Blue Bronze / X-Large
Raw Carbon Green & Silver / Small
Raw Carbon Green & Silver / Medium 210000028104 210000028104
Raw Carbon Green & Silver / Large 210000028105 210000028105
Raw Carbon Green & Silver / X-Large 210000028106 210000028106