Borealis Flume fat tire bike with fenders and studded tires. Front tire needs a new inner tube, besides that it’s good to go. The Borealis Flume is an expedition-ready fat bike that is built to handle any adventure. With a lightweight 6000-series aluminum frame, it features a SRAM Eagle NX 12-Speed drivetrain, SRAM Level T brakes, and carbon handlebars and seat post. The durable Sun Ringle Mulefüt rims and your choice of tires provide maximum control and responsiveness, even in the toughest conditions. With clearance for tires up to 26x5” and 27.5x4.5”, and compatibility with 100-120mm of suspension travel, this fat bike is perfect for tackling mountains, glaciers, and deserts.