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BorealisKeystone Electric Fat Bike

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Questions and Answers

Aluminum
630
Shimano
SRAM GX Eagle AXS
27.5"
Diamond
Disc Brakes
At 56 pounds, the frame geometry provides responsive handling and offers maximum control for varying conditions in snow or sand. SRAM T Type transmission for perfect shifting and the Shimano EP8 motor with a 630 watt Shimano battery UL Listed / service can be done at your local bicycle retailer
Tire clearance up to 26x5” and 27.5x4.5”.
Lightweight, 6000 series aluminum frame comes with internally ...Read more

General

  • FrameBorealis Keystone Aluminum

    • Brakes

  • BrakeSRAM G2 RS
  • RotorsSRAM HS2 200mm front / 180mm rear

    • Wheels & Tires

  • TiresTerrene Cake Eater 27.5x4.0" Light 120TPI
  • WheelsSunRingle Mulefüt SL 27.5x65
  • HubBorealis Gen 4 15x150 / 12x197

    • Cockpit

  • StemBorealis 50mm
  • DisplayShimano SC-EM800
  • HeadsetFSA w/ Star Nut
  • HandlebarBorealis Carbon
  • GripsErgon GP1

    • Motor & Battery

  • MotorShimano DU-EP800
  • BatteryShimano BT-E8036 (630Wh)

    • Groupset

  • Chain / BeltSRAM GX Eagle Transmission Flattop Chain
  • ShiftersSRAM AXS Pod Contoller Right Bridge w/ MMX Clamp for GX Eagle Transmission
  • ChainringsSRAM Eagle Transmission E-Bike MTB Chainring 104 BCD 36T Steel
  • CassetteSRAM GX Eagle Transmission Cassette 10-52T
  • DerailleurSRAM GX Eagle Transmission Derailleur

    • Saddle

  • SaddleWTB Volt Medium Steel
  • Seat PostKS Lev Integra 125mm (SM, MD) / 150mm (LG, XL)
  • Seat Post ClampBorealis Bolt-On

    • Suspension

  • ForkManitou Mastodon PRO EXT 120mm, 51mm offset
    • Disclaimer

    Deviations between specified and installed components are possible depending on the delivery situation. Alternatively installed components correspond to the quality level of the specified components. The specified model year corresponds to the model series defined by the manufacturer and not necessarily the year of manufacture. As some models are produced unchanged over several years, the year of manufacture may vary. Irrespective of this, you will receive a current product in accordance with the stated specifications. Errors and omissions are excepted.