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Borealis Crestone GX

Borealis Crestone GX
$4,199.99 - $5,424.99
Color: Gloss Midnight Blue
Size: Select size
Wheelset: Select wheelset
Please select options Unavailable


Since 2013, Borealis has specialized in lightweight carbon fiber fat bikes. The Crestone is our tried and true flagship model. 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.


Standard features include: SRAM Eagle NX 12-Speed drivetrain, SRAM Level T brakes, rigid carbon fork, carbon handlebars, carbon seat post, durable Sun Ringle Mulefüt rims and your choice of tires.
Frame geometry provides responsive handling, offering maximum control for varying conditions in snow or sand.
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 internally routed cables, 2-3 bottle cage mounts and lizard skin protectors on both the down tube and drive-side chain stay.

Rockshox Bluto Fork tire size limitations: 26x5” or 27.5x4”
Mastodon Pro EXT Fork tire size limitations: 26x5” or 27.5x4.5”
Borealis Rigid Carbon Fork tire size limitations: 26x5” or 27.5x4.5”
Dually 29x45 and 27.5x45 Rims – Max tire width: 3”
All rims 65mm to 85mm wide are compatible with tire widths of 3.8” to 5”
HED Carbon 100mm Rims – Max tire width of 4.6”


Frame Borealis Crestone Carbon
Fork Borealis Carbon Rigid Fork
Headset Borealis
Rims/Wheels HED ALLOY 27.5 x 80mm
Hubs Borealis: Front 15×150 Rear 12×197
Crankset SRAM Eagle GX
Chainwheel 30 Tooth
Bottom Bracket SRAM DUB 100mm
Chain KMC X12
Rear Derailleur SRAM EAGLE GX 1 x 12
Rear Cogs XG 1275 10-50
Handlebars Borealis Carbon Bar (35mm)
Tape/Grips Borealis
Stem Borealis 50mm or 70mm
Saddle Borealis
Seat Post Borealis Carbon Seatpost (31.6mm)

* Subject to change without notice.

Part Numbers

Option Store SKU
Gloss Midnight Blue / MD 17 / Alloy HED 27.5" Wheels BO22CGX17BU
Gloss Midnight Blue / MD 17 / Carbon HED 27.5" Wheels BO22CGC17BU
Gloss Midnight Blue / LG 19 / Alloy HED 27.5" Wheels BO22CGX19BU
Gloss Midnight Blue / LG 19 / Carbon HED 27.5" Wheels BO22CGC19BU
Gloss Midnight Blue / XL 21 / Alloy HED 27.5" Wheels BO22CGX21BU
Gloss Midnight Blue / XL 21 / Carbon HED 27.5" Wheels BO22CGC21BU