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Borealis Bikes
Flume GX Complete Fat Bike - 2016

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Snowy trails and summer bikepacking.

Whether you're contemplating a snowy landscape or a sandy bikepacking trip, keep the fat fun rolling with the 2016 Borealis Flume GX Complete Fat Bike. With its aluminum frame and a rockin' kit that includes Borealis' own rigid carbon fork, SRAM GX componentry, and beefy Husker Du tires, this rig is ready to shred snow, loose gravel, and sandy stretches with ease.


Borealis built the Flume as an aluminum counterpart to its full-carbon Crestone for a nimble ride at a fraction of the carbon cost. It boasts burly four-inch tires on 80mm rims for a solid rolling platform that remains sprightly compared to the extra-fat 100mm rims found on Borealis' other models.


As with the Crestone, a 197mm rear hub results in a surprisingly stiff rear end and perfect drivetrain alignment with the 100mm threaded bottom bracket shell. That massive rear axle also leaves clearance to handle all the mud, snow, sand, or anything else you're likely to find caked to your machine during those epic bikepacking adventures.


Details

  • A bike for all-terrain adventure cycling
  • Fat tires for floating across sand and snow
  • Rigid carbon fork absorbs trail chatter but not watts
  • Item #BOR000L
Frame Material
aluminum
Fork
Borealis Carbon Rigid
Headset
Cane Creek 40
Shifters
SRAM GX 1x11
Rear Derailleur
SRAM GX 1x11
Crankset
30 t Race Face Aeffect Cinch
Crank Arm Length
175 mm
Cassette
10 - 42 t SRAM XG-1175
Chain
KMC X11
Brakeset
SRAM DB5
Brake Type
hydraulic disc
Rotors
160 / 160 mm SRAM Centerline
Handlebar
Borealis Carbon 35
Handlebar Width
740 mm
Grips
Ergon GA2
Stem
Race Face Aeffect 35
Stem Length
70 mm
Saddle
Ergon SME30 EVO
Seatpost
Borealis Carbon 31.6mm
Wheelset
Turnagain FR80
Hubs
Borealis
Front Axle
15 x 150mm
Rear Axle
12 x 197mm
Tires
Husker Du 27tpi
Tire Size
26 x 4.0 in
Extras
Lizard Skins DT/CS protector
Recommended Use
snow and sand
Manufacturer Warranty
5 years on frame

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