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Borealis Crestone Eagle GX

Borealis Crestone Eagle GX
This item is currently not available.


The Crestone Eagle GX is brand new and offers the best Fat Bike frame on the market along with the latest 12 speed SRAM Eagle components.

Carbon bar, carbon post and carbon fork are all standard along with HED alloy 80mm rims. At this price point you won’t find another bike on the market with all of the upgrades!

  • The Crestone is a Closed Mold, Carbon Fiber Bike Frame that Represents the Most Advanced Geometry for Fat Bikes

  • New Impact and Fatigue standards to match the demands of riders who might ride a Fat Bike more aggressively

  • Totally new frame design developed to be more durable and thrilling to ride, while maintaining an aesthetic becoming of a high performance product

  • Weighs in at 150 grams less than the Echo

  • Available in two new colorways

  • Advanced carbon molding with state of the art production

  • Designed with reduced stand over height, top tube drops by one half inch
  • Specs

    Frame Borealis Crestone (Colorado/Northern Lights/Aspen)
    Fork Borealis Carbon Rigid Fork
    Headset Borealis
    Rims/Wheels HED 80mm Alloy
    Hubs Borealis: Front 15×150 Rear 12×197
    Spokes Wheelsmith Black
    Crankset SRAM Eagle Alloy GX w/30T Chain Ring
    Chain KMC X12
    Rear Derailleur SRAM Eagle GX1 12 Speed
    Rear Cogs SRAM Eagle XG-1275 10-50
    Shifters SRAM Eagle GX 12 Speed
    Handlebars Borealis Carbon 35mm
    Tape/Grips Ergon GA2
    Stem Borealis 70mm
    Brakes SRAM Level T w/ Centerline 160/160
    Saddle Borealis
    Seat Post Borealis Carbon 31.6mm
    Sizes Sm, Md, Lg, XL
    Weight ~25lbs 11oz +2lbs for Bluto

    * Subject to change without notice.


    Steve from Borealis introduces the carbon Crestone and carbon Elite rims at interbike 2015

    From interbike 2015 Steve from Borealis introduces the carbon Crestone fat-bike as well as the new carbon Elite rims made through a collaboration with Reynolds. Check out more at

    Part Numbers

    Option MPN Store SKU
    Small BIFB0230001 BIFB0230001
    Medium BIFB0023002 BIFB0023002
    Large BIFB0023003 BIFB0023003
    X-Large BIFB0023004 BIFB0023004