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> Bicycling Catalog > Bikes > Mountain > Unsuspended > Borealis > Echo X0X9 Fat Bike
Borealis Echo X0X9 Fat Bike

Borealis Echo X0X9 Fat Bike


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Product Details

BO01 Borealis Echo X0X9 Fat Bike

Introducing the Borealis Echo w/ the X0X9 build kit, the first carbon fiber Fat Bike frame specifically engineered around the RockShox Bluto 100mm suspension fork. Our Echo X0X9 2x10 build kit is great for budget conscious riders or riders who prefer a wide gear range. The SRAM X9 shifters pair up perfectly to the SRAM X0 rear derailleur for crisp smooth shifting, even in the muddiest terrain.

Borealis Echo Features

- 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


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  • Specifications close open

    Specification Description
    Frame Borealis Echo
    Fork RockShox Bluto 100mm
    Headset Borealis Sealed Bearing
    Rims/Wheels Turnagain FR80
    Hubs Borealis FH150
    Spokes Wheelsmith Black Straight
    Tires Surly Knard 27TPI
    Crankset RaceFace Ride 22-36t
    Chain SRAM 1031
    Front Derailleur SRAM X9
    Rear Derailleur SRAM X0
    Rear Cogs SRAM 1071 11-36t
    Shifters SRAM X9
    Handlebars RaceFace Evolve 31.8x720mm
    Tape/Grips Lizard Skins Peaty Lock On
    Stem RaceFace Evolve 70mm
    Brake Levers Avid SD7
    Brakes Avid BB7
    Saddle WTB Speed V Comp
    Seat Post RaceFace Evolve
    Accessories & Extras Lizard Skin's Protectors

    * Subject to change without notice.

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