Borealis Echo X0X9

Our range of Bicycles

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Our X0X9 offering is an excellent choice for riders who prefer the widest gear range out there: a full 2x10 set up. Sram X9 shifters paired with an X0 Type 2 rear derailleur allow for smooth shifting in the muddiest of conditions. A full RaceFace cockpit and mechanical BB7 brakes make for a solid, low-maintenance machine for perhaps the widest array of riding types out there.

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 Straight
Nipples Wheelsmith Brass
Rim Strips Turnagain RS80
Tires Surly Knard 27TPI
Tubes Turnagain MagnumFAT
Bar RaceFace Evolve 31.8x720
Stem RaceFace Evolve 70mm
Post RaceFace Evolve
Saddle WTB Speed V Comp
Grips Lizard Skins Peaty Lock On
Crankset RaceFace Ride 22-36
Front Derailleur Sram X9
Rear Derailleur Sram X0
Chain Sram 1031
Cassette Sram 1071 11-36
Shifters Sram X9
Brake Levers Avid SD7
Brakes Avid BB7
DT/CS Protector Lizard Skins