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Borealis  Yampa X.9/X.0

Borealis Yampa X.9/X.0

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Product Details

Borealis Yampa X.9/X.0

Needless to say we’re pretty excited to be Northern Michigan's stocking dealer of the Borealis Yampa fat bike. The Yampa is available now and those who have gotten to ride this elusive beast have raved about it. The best material to build bicycles-carbon fiber-has reached the fat bike world in a big way. The frame utilizes all the strengths of this material: lightweight, lateral stiffness, and the ability to shape tubes to perfection. This frame is extremely lightweight, and has every feature that a fat bike needs to become anything you can imagine. Borealis has included 3 bottle cage mounts for those that enjoy staying hydrated for the super-endurance rides, and rear rack mounts as well to make carrying your gear easy. The Yampa features the new fat-bike-standard 190mm centered rear spacing and has clearance for the largest fat tire and rim setup out there and a 2x10 drivetrain, with room for extra mud and snow that you’re bound to ride through.
The Yampa’s seatstay design allows the frame to flex vertically just the right amount for an extremely comfortable ride, while the massive bottom bracket and chainstays allow for lateral stiffness that will blow you away (or your riding buddies) when you get out of the saddle to accelerate. The tapered headtube combined with the Borealis FF1 tapered fork and 15mm thru axle make front-end handling like nothing you’ve felt on a fat bike before and will make weaving through tight singletrack a breeze.
With all the massive improvements in fat bike design happening throughout the industry in the last few years, we’re confident the Yampa will be something that will blow you away, a truly other worldly creation for adventure junkies and racers alike that will feel right at home wherever you decide to take it.
To summarize:
- 190mm 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 in RED or WHITE
- Lightweight: 1270 gram frame (We only post actual weights- This is a size Medium frame that is fully painted, finished, and includes derailleur hangar.)
We have demos to try in the store!

  • Specifications close open

    Specification Description
    Frame Borealis Yampa
    Fork Borealis FF1
    Headset Borealis Sealed Bearing
    Rims/Wheels Surly
    Hubs Borealis FH1
    Spokes Black Straight
    Tires Surly Larry 27 TPI
    Crankset RaceFace Ride 22-36
    Chain Sram 1031
    Front Derailleur Sram X.9
    Rear Derailleur Sram X.0
    Rear Cogs Sram 1070
    Shifters Sram X.9
    Handlebars Truvativ Stylo T30
    Tape/Grips Standard
    Stem Truvativ Stylo T20
    Brakes Avid SD7/Avid BB7 w/ 160mm rotors
    Saddle WTB Rocket V
    Seat Post Truvativ Stylo T20
    Accessories & Extras Rack Mounts
    Color(s) Black/White, Black/Red
    Sizes Small, Mediurm, Large, XL

    * Subject to change without notice.

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