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.
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.