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2021 Borealis Crestone Carbon Fat Bike
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 NX 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.
Stack and Reach are the fundamental fit elements, they are both measured relative to the bottom bracket. When choosing the Borealis that is right for you, it’s important to find a balance in these measurements to ensure the best performance.
|Effective Top Tube||23.02 in||24.01 in||24.67 in||25.59 in||585 mm||610 mm||626.6 mm||650 mm|
|Seat Tube Center to Top||15.04 in||17.01 in||19.06 in||21.02 in||381 mm||432 mm||484 mm||534 mm|
|Head Tube||4.13 in||4.72 in||5.31 in||5.91 in||105 mm||120 mm||135 mm||150 mm|
|Seat Tube Angle||73 deg||73 deg||73 deg||73 deg||73 deg||73 deg||73 deg||73 deg|
|Head Tube Angle||70 deg||70 deg||70 deg||70 deg||70 deg||70 deg||70 deg||70 deg|
|Standover Height||Due to various rim and tire options stand over is not identified.|
|Chainstay||18.07 in||18.07 in||18.07 in||18.07 in||459 mm||459 mm||459 mm||459 mm|
|BB Drop||2.36 in||2.36 in||2.36 in||2.36 in||60 mm||60 mm||60 mm||60 mm|
|Reach||16.04 in||16.65 in||17.22 in||17.76 in||407.3 mm||423 mm||437.5 mm||451.2 mm|
|Stack||23.50 in||24.05 in||24.61 in||25.16 in||597 mm||610.9 mm||625 mm||639.1 mm|