Since 2013, Borealis has specialized in lightweight carbon fiber fat bikes. The tried and true Crestone is our flagship model, weighing under 30 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. HIGHLIGHTS: Frame geometry provides responsive and nimble handling for variable conditions in snow or sand. Standard features include: Eagle NX 12-Speed drivetrain, rigid carbon fork, carbon handlebars, carbon seat post, durable Mulefut rims 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 chainstay. Crankset SRAM Eagle NX Crank Arms 175mm Alloy Rear Derailleur RD ENX 1 x 12 Chain KMC X12 Cassette PG 1230 11-50 Shifters SRAM ENX Brakes SRAM - Select Chain Ring 30 Tooth Frame Borealis Crestone Carbon Fork Borealis Carbon Rigid Fork or RL Bluto, Mastodon Pro Ext. Headset Borealis Hubs Borealis: Front 15×150 Rear 12×197 Rims Your Choice Spokes Wheelsmith Black Nipples Wheelsmith Silver Brass Tires Your Choice Bar Borealis Carbon Bar (35mm) Stem Borealis 50mm or 70mm Post Borealis Carbon Seatpost (31.6mm) Saddle Borealis Grips Borealis Bottom Bracket SRAM DUB 100mm DT/CS Protector Lizard Skins
With premium frame quality and only the best components, the Borealis Flume offers the best value on the market. This expedition-ready fatty mirrors the Crestone geometry, but does so in lightweight, 6000-series aluminum. Up mountains, down glaciers, and across deserts - the Flume is ready for action. There are all kinds of alloy fat bikes on the market, but none with Flume’s purebred heritage and durability. HIGHLIGHTS Traditional fat bike geometry is both responsive and nimble for variable conditions in snow or sand. Standard features include Eagle NX 12-Speed drivetrain, rigid alloy fork, carbon handlebars, carbon seat post and durable Sun-Ringle Mulefut rims. Tire clearance up to 26x5” and 27.5x4.5”. Compatibility for 100-120mm of suspension travel for increased comfort and control. Lightweight, 6000-series aluminum frame comes with 3 bottle cage mounts, rear rack mounts on seat stays and Lizard Skin protectors on both the down tube and drive-side chainstay.
The forecast is calling for cold temperatures, a dump of snow, and all you want to do is ride your bike. Sounds great, let's hit it! There's no need to put a hold on riding during those long winter months, you just need the right tool for the job. The Blizzard is a proper mountain bike with aggressive trail geometry and massively wide tires, ensuring you're ready to ride no matter what the conditions are. - Trail geometry for playing in soft conditions - Lightweight rigid fork - High-performance tires: it's all about the rubber with fat bikes! - Reliable, rebuildable, service supported rear hub for high torque fat biking - Thru-axles front and rear - Thru-axle front and rear - All new Shimano 12spd drivetrain with Race Face cranks - Narrower, lighter weight rims - Terrene Cake Eater studdable tubeless tires - Tubeless compatible set up, just add tape and valves
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