Flume Models

Borealis Fat Bikes works with dealers across the country, find a dealer near you for the best pricing in your area!Fatbiking adventurers know that inspiration matters, and a ride (or bike) is only as good as the idea that created it. The expedition-ready Flume capitalizes on all the sweetness of the Crestone, 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 the Flume’s purebred heritage. The custom tubeset mates ideal, high-performance geometry with competition-ready spec. But if pedaling across our blue planet is more your speed, the Flume will speed you through… Read more

Highlights

The Flume is built on an alloy frame that draws on all of our experience in making fat bikes at a much lower price.

  • All aluminum frame with careful attention to finish details.
  • Borealis unique geometry for the best ride experience
  • SRAM GX componets
  • Available in three colorways.
  • Reduced stand over height.
  • Carbon bar.
  • Carbon seatpost.
  • Carbon fork.

Showing all 4 results

    • Flume Eagle GX

      MSRP: $2,625

      All new for 2018!  The 12 speed Eagle GX Flume is simply the best alloy Fat Bike on the market in its class.  Named after trails in Breckenridge and a Class 5 drop along the Arkansas River, the Flume won’t disappoint!

    • Flume NX

      MSRP: $1,799

      All new for 2018!  Enter into Borealis perfection without blowing your budget.  The all new Flume NX offers carbon bars, carbon seat post and a carbon fork.  Utilizing SRAM NX components and a solid wheelset, this ride will take you anywhere you want to go!  This is the perfect Fat Bike for the budget conscious or “Gotta Try It” individual.

    • Flume GX

      MSRP: $2,525

      Fatbiking adventurers know that inspiration matters, and a ride (or bike) is only as good as the idea that created it. The expedition-ready Flume capitalizes on all the sweetness of the Crestone, but does so in lightweight, 6000-series aluminum. Up mountains, down glaciers, and across deserts: the Flume is ready for action.

    • Flume 2×10

      MSRP: $1,599

      The Flume 2x10 has been a house favorite of ours since it first rolled out the doors. Finally, a budget friendly fat bike that still touts the performance Borealis has become known for. The low stand-over height combined with our award winning geometry, the Flume is a great option for shorter statured riders. The alloy frame is a durable, stiff and still, incredibly light!