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2014 X-Large SKU: BMT23472

Borealis Yampa Fat Bike - 2014, X-Large

Recommended Rider Height: 6'2" - 6'5" Size Guide
Regular price

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- Wren Sports Inverted Fat Bike suspension fork w/ 150mm of travel.

Master Mechanic's Notes:
- Light scratches on the head tube & down tube.
- Moderate scratches on the top tube & seat tube.
- Light scratches on the chainstays & seatstays.
- Light scratches on the crank arms & rims.

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TPC Guarantee

This bike passed a 141-point inspection and received a full pro-tune by our Master Mechanics in our Certified Pre-Owned process. CPO bikes are pristine and ready to ride!

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30-Day Hassle-Free Returns

Shop with confidence. Every bike is covered by our 30-day satisfaction guarantee. If this bike isn’t perfect for you, get in touch and we’ll help you find the right bike.

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RideFast Shipping

Bikes ship in our custom RideFast box, and assembly is incredibly simple. Most novice riders can assemble their bike in 5 minutes or less. The tools you need to assemble are also included.

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Year 2014
Brand Borealis
Model Yampa
Size X-Large
Frame Material Carbon Fiber
Drivetrain SRAM, 2x10 spd
Weight 32 lbs 0 oz
Fork Wren Sports Inverted Fat Bike Suspension Fork
Fork Travel 150mm
Brakes SRAM DB5, Disc - Hydraulic
Shifters SRAM GX, Mechanical
Front Derailleur SRAM GX
Rear Derailleur SRAM GX
Bottom Bracket Shell Threaded
Crankset Race Face Alloy, 36/22t, 175mm
Cassette SRAM PG-1030, 11-36t
Chain Shimano
Handlebar Kore Durox Alloy, 760mm
Headset FSA Integrated
Stem Generic Alloy, 31.8mm x 60mm, 6°
Seatpost Truvativ Stylo T20 Alloy, 31.6mm
Saddle Bontrager
Front Axle Spacing 15x150mm (Thru-Axle)
Rear Axle Spacing 10x190mm
Wheelset Borealis Disc Aluminum , Borealis
Front Tire 45NRTH Dillinger 4, 26" x 4.0"
Rear Tire 45NRTH Dillinger 4, 26" x 4.0"
Tire Type Tubeless
Tubeless Compatibility Wheels are not tubeless compatible


Recommended Rider Height 6'2" - 6'5"
a. Effective Top Tube 642 mm
b. Seat Tube 533 mm
c. Seat Tube Angle 73°
d. Head Tube Angle 69.8°
e. Head Tube 165 mm
f. Stack 645 mm
g. Reach 435 mm
h. Standover Height 891 mm
i. Saddle Height Range N/A

“I love this company! My beautiful bike arrived promptly, was packed brilliantly, and tuned perfectly. It was exactly as described.”

— Kari K.


“In the past month, I purchased a road bike and MTB from TPC. Very happy with the price and condition of both bikes! I was riding the bikes 10 minutes after I received them.”

— David H.

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