Borealis Echo XX1

Our range of Bicycles

  • product_file_echo_xx1_16_81.jpg

The XX1 kit spares nothing -- we've combined the lightest and most-elite mountain bike components from all disciplines of the sport into the optimal component package for any fat bike. A full, World Cup-proven XX1 drivetrain, wide carbon RaceFace Next SL handlebars with a short 35mm clamp stem and 120tpi tires will allow you to put your riding buddies to shame on the single track. The RaceFace Next SL crank is the lightest weight fat bike crank available and will make you think you're riding a "skinny tire" XC race bike.

The echo is the first carbon fat bike frame ever to be designed specifically around the BLUTO fork.

  • Fully guided internal dropper post routing.
  • Fully guided internal cable routing
  • Clearance for 4.8" tires on 100mm rims.
  • 100mm Bottom Bracket shell
  • 42mm upper headset ID, 52mm lower headset ID
  • New 197mm rear spacing with 12mm RockShox MAXLE thru axle.
  • 3 water bottle cage mounts for those Epic Adventures
  • Available in Electric Blue or Stealth Black
  • 1370 gram frame weight
  • Ultra-stiff, fat, and rally-ready carbon frame


Frame Borealis Echo
Fork RockShox Bluto 100mm
Headset Borealis Sealed Bearing
Hubs Borealis FH150
Rims Turnagain FR80
Spokes Wheelsmith Black DB
Nipples Wheelsmith Alloy
Rim Strips Turnagain RS80
Tires 45Nrth Husker Du 120TPI
Tubes Turnagain MagnumFAT
Bar RaceFace Next 35mm
Stem RaceFace Atlas 65mm
Post RaceFace Next
Grips Lizard Skin Peaty Lock On
Crankset RaceFace Next SL 32t
Rear Derailleur Sram XX1
Chain Sram PG-XX1
Casette Sram XG-1199
Shifter Sram XX1 Trigger
Brakes Sram XX w/ 160mm rotors
DT/CS Protector Lizard Skins