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2015 Medium SKU: BMT23791

Borealis Yampa Fat Bike - 2015, Medium

Regular price

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- New bottom bracket for smooth spinning.

Master Mechanic's Notes
- Small paint chip on the drive-side of the top tube & non-drive side chainstay.
- Light wear and tear from cable rub, heel rub & chain.

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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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Year 2015
Brand Borealis
Model Yampa
Size Medium
Frame Material Carbon Fiber
Drivetrain SRAM, 2x10 spd
Weight 30 lbs 6 oz
Fork Borealis, Carbon
Rear Shock Travel N/A
Brakes Avid_BB7 MTN, Disc - Hydraulic
Shifters SRAM X9, Mechanical
Front Derailleur SRAM X9
Rear Derailleur SRAM X0
Bottom Bracket Shell Threaded
Crankset Race Face, 36/22t, 175mm
Cassette SRAM PG-1030, 11-36t
Chain KMC
Handlebar Truvativ Noir T30 Carbon, 700mm
Headset Cane Creek Forty integrated
Stem Truvativ T20 Style Alloy, 31.8mm x 100mm, 6°
Seatpost Truvativ Alloy, 31.6mm
Saddle Ergon SME30 Evo
Front Axle Spacing 15x150mm (Thru-Axle)
Rear Axle Spacing 12x197mm
Wheelset Borealis Turnagain Aluminum Clincher, Borealis
Front Tire Surly KNARD, 26" x 3.8"
Rear Tire Surly KNARD, 26" x 3.8"
Tire Type Clincher
Tubeless Compatibility Wheels are not tubeless compatible


Recommended Rider Height N/A
a. Effective Top Tube 604 mm
b. Seat Tube 432 mm
c. Seat Tube Angle 73°
d. Head Tube Angle 69.8°
e. Head Tube 130 mm
f. Stack 625 mm
g. Reach 410 mm
h. Standover Height N/A
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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