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2020 Large SKU: BMT22074

Surly Karate Monkey Mountain Bike - 2020, Large

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TPC Guarantee

Every bike receives our white glove, Certified Pre-Owned treatment, including a full pro-tune by our Master Mechanics in Louisville, CO. All CPO bikes are pristine and rolling beautifully before we pack and ship to your door.

Master Mechanic's Notes
- Small ding on non drive side down tube.

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141-Point Inspection

This bike passed our 141-point inspection to qualify to be a Certified Pre-Owned bike. It's free of structural damage and is in excellent cosmetic shape.

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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

Assemble your bike in 15 minutes or less! Our bikes ship in our RideFast box for speed and safety. All tools you need to assemble are included.

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Year 2020
Brand Surly
Model Karate Monkey
Size Large
Frame Material Steel
Drivetrain Shimano, 1x12 spd
Weight 30 lbs 6 oz
Fork Surly Chromoly, Steel
Rear Shock Travel N/A
Brakes Tektro HD-M275, Disc - Hydraulic
Shifters Shimano Deore M6100, Mechanical
Rear Derailleur Shimano Deore M6100
Bottom Bracket Shell Threaded
Crankset Shimano MT500 Alloy, 30t, 175mm
Cassette SunRace CSMZ800, 11-51t
Chain KMC
Handlebar Salsa Rustler Alloy, 800mm
Headset Cane Creek Ten
Stem Promax Alloy, 31.8mm x 70mm, 6°
Seatpost Alloy, 30.9mm
Saddle WTB Volt 142
Front Axle Spacing 15x110mm (Thru-Axle)
Rear Axle Spacing 12x148mm Boost
Wheelset WTB ST i40 TCS Aluminum Tubeless Ready , Novatec
Front Tire Surly Extra Terrestrial Tubeless Ready, 27.5" x 2.25"
Rear Tire Surly Extra Terrestrial Tubeless Ready, 27.5" x 2.25"
Tire Type Tubeless
Tubeless Compatibility Bike ships tubeless


Recommended Rider Height 5'10" - 6'2"
a. Effective Top Tube 597.5 mm
b. Seat Tube 470 mm
c. Seat Tube Angle 73°
d. Head Tube Angle 71.5°
e. Head Tube 110 mm
f. Stack 617 mm
g. Reach 434 mm
h. Standover Height 826 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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