Since 2013, Borealis has specialized in lightweight carbon fiber fat bikes. The tried and true, Carbon Fiber Crestone is our 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.
Traditional fat bike frame geometry is both responsive and nimble for variable conditions in all conditions.
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 2-3 bottle cage mounts and lizard skin protectors on both the down tube and drive-side chain stay. Also comes with carbon seat post.