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Borealis Crestone Eagle XX

Borealis Crestone Eagle XX
  • Color: Metallic Red & White
  • Color: Metallic Red & White
  • Color: Matte Blue & Bronze
  • Color: Matte Blue & Bronze
Please select options
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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 XX1 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 Crestone Carbon
Fork Borealis Carbon Rigid Fork
Headset Borealis
Rims/Wheels MuleFut 26" x 80mm
Hubs Borealis
Spokes Wheelsmith Black
Crankset SRAM Eagle XX 175
Bottom Bracket SRAM DUB 100mm
Chain SRAM X12 Gold
Rear Derailleur RD EXX 1 x 12
Rear Cogs XG 1299 10-50 Gold
Shifters SRAM EXX
Handlebars Borealis Carbon
Tape/Grips Borealis
Stem Borealis 50mm
Brakes SRAM- Level T
Saddle Borealis
Seat Post Borealis Carbon Seatpost

* Subject to change without notice.

Part Numbers

Option MPN Store SKU
Metallic Red & White / Small
Metallic Red & White / Medium 210000025098 210000025098
Metallic Red & White / Large 210000025099 210000025099
Metallic Red & White / X-Large
Matte Blue & Bronze / Small
Matte Blue & Bronze / Medium
Matte Blue & Bronze / Large
Matte Blue & Bronze / X-Large