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Borealis Flume Mountain-Fatbike

Borealis Flume Mountain-Fatbike
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12 Months Free Financing

Have it both ways! Our Borealis Flume bikes come dirt-ready with 27.5 X 3" plus tires and Bluto suspension forks. As a bonus, these are fully fat-compatible and ready for winter with the addition of a fatbike wheelset.

With premium frame quality and only the best components, the Borealis Flume offers the best value on the market. This expedition-ready MTB 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 bikes on the market, but none with Flume’s purebred heritage and durability.
Traditional fatbike bike geometry is both responsive and nimble for variable conditions in snow or sand.
Standard features include Eagle NX 12-Speed drivetrain, Rock Shox Bluto Fat Bike Fork. carbon handlebars, carbon seat post and durable Velocity 27.5 rims with dirt-gripping Schwalbe Nobby Nic 3" tires. New Moon offers HED alloy and carbon fatbike wheelsets to upgrade a summer-ready Flume demo starting around $1700. Contact us for more info.


Frame 6061 Aircraft Alloy, 197mm Rear Spacing, Internal Dropper Compatible
Fork RockShox Bluto RL 100mm, 150mm x 15mm Thru Axle Spacing
Headset FSA 1 1/8 x 1 1/2"
Rear Shock N/A
Axles Front: 15x150mm
Rear: 12x197mm
Rims/Wheels Velocity Dually 27.5 + Double-wall alloy, 39mm internal width/45mm external width
Hubs Borealis Brand 150 x 15mm, 197 x 12mm with Shimano HG Freehub Body
Spokes Stainless, 14g
Tires Schwalbe Nobby Nic 27.5 x 3.0", Tubeless Ready
Crankset SRAM DUB NX Eagle, 175mm
Chainrings 30 Tooth SRAM Direct Mount
Bottom Bracket SRAM DUB
Chain KMC 12-Speed With Quick Link
Front Derailleur N/A
Rear Derailleur SRAM NX Eagle 12-Speed
Cassette/Rear Cogs SRAM NX Eagle PG-1230 Eagle, 11-50t For HG Freehub
Shifters SRAM NX Eagle, trigger, 12-speed
Handlebars Borealis Carbon SL Low-Rise
Tape/Grips Borealis Ergonomic Locking
Stem Borealis, Length May Vary
Brake Levers SRAM Level T Hydraulic
Brakes SRAM Level T Hydraulic With 160mm 6-Bolt Rotors F/R
Pedals Basic Plastic Test Pedals
Saddle Borealis With Cut-Out
Seat Post Borealis Carbon Rigid, 31.6mm, Length May Vary
Accessories & Extras Rubberized Chainstay Protector

* Subject to change without notice.