Borealis Yampa XX1

Our range of Bicycles

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The racing masterminds at Borealis collected the lightest and most-elite performance components to include in the YAMPA XX1 build kit. Combining the Sram XX1 drivetrain, RaceFace Next carbon crankset and Truvativ Noir carbon bar and post achieves our vision of providing you with the lightest, fastest fatty on the planet. With components this light, your YAMPA XX1 fat rig will remain unmatched pedaling up and shredding down the trails.

  • 197mm Rear Spacing
  • 100mm BB Shell
  • Standard rear rack mounts for cargo racks
  • Tapered Head Tube
  • Internal Cable routing
  • 3 water bottle mounts
  • Clearance for 100mm rims and 4.8" tires
  • Sweet Racing Stripes
  • Available with a RED or WHITE stripe on the top tube
  • Lightweight: 1290 gram frame (We only post actual weights- This is a size Medium frame that is fully painted, finished, and includes derailleur hangar.)


Frame Borealis YAMPA
Fork Borealis FF1
Headset Borealis Sealed Bearing
Hub Borealis FH1
Rims Turnagain FR80
Spokes Wheelsmith Black DB
Nipples Wheelsmith smith Silver Alloy
Rim Strips Turnagain RS80
Tires 45Nrth Husker Du 120TPI
Tubes Turnagain MagnumFAT
Bar Truvativ Noir Carbon T40
Step Truvativ Stylo T20 100mm
Post Truvativ Noir Carbon T40
Saddle WTB Pure V Pro
Grips Ergon GX-1
Crankset RaceFace Next SL 32t
Rear Derailleur Sram XX1
Chain Sram PG-XX1
Casette Sram PG-1199
Shifter Sram XX1 Trigger
Brakes Sram XX w/ 160mm rotors
DT/CS Protector Lizard Skins