Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Surly
2021 Surly Karate Monkey Suspension
Previous used estimate
$949 - $976
Actual value depends on condition, size, and local demand.
Value Guide market data · 2021 Surly Karate Monkey Suspension
12-month projected trend
8%
Direction and magnitude, not judgment
vs. category average
3%
Drops faster than category avg
Price over time - 2021 Surly Karate Monkey Suspension
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All Karate Monkey model years
2025$1,389 - $1,429▲ 46% vs. 2021
2023$1,257 - $1,294▲ 33% vs. 20212021$949 - $976Currently viewing
2020$661 - $680▼ 30% vs. 2021
2019$604 - $622▼ 36% vs. 2021
2015$582 - $599▼ 39% vs. 2021
2014$365 - $376▼ 62% vs. 2021
2013$365 - $375▼ 62% vs. 2021
2012$361 - $372▼ 62% vs. 2021
2011$346 - $356▼ 64% vs. 2021
2010$354 - $365▼ 63% vs. 2021Compare Karate Monkey Suspension models
1 modelsChoose a different build or frame style to see its value.
Overview
About this bike
The Karate Monkey Front Suspension bike features a Rock Shox 35 Gold RL A2 suspension fork with 140mm travel, and it's paired with a dropper post out of the box. Progressive trail geometry and Surly's Gnot-Boost rear dropout system deliver a versatile bike with the ability to swap hubs and wheel sizes. If you want to round-house kick some trail right in the face, the Karate Monkey is your sled. - 100% Surly Chromoly steel frame, double-butted main triangle and 44mm headtube - The tubeset uses Surly custom trumpet tubes for greater stiffness and durability - Adjustable rear dropouts with 145mm Gnot-Boost spacing. Works with 142 and 148 x 12mm thru, as well as 135mm w/ 10/12 washer - Rock Shox 35 Gold RL A2 suspension fork with 140mm travel - TranzX SP15 dropper post with stealth routing: 100mm travel on XS/SM; 120mm travel on MD/LG/XL - Clearance for 27.5 x 3" or 29 x 2.55" tires
Specifications
- Subtype
- Cross Country
- Category
- Mountain
- Component Fork
- RockShox 35 Gold RL, 27.5 - 140mm travel, 44mm offset, 15 x 110mm Axle, disc
- Component Hubs
- Front: 110mm, Novatec, 32h, Thru-Axle Rear: 148mm, Novatec, 32h, Thru-Axle
- Component Rims
- WTB ST i35 TCS
- Component Size
- X-Small, Small, Medium, Large, X-Large
- Component Stem
- Promax 31.8
- Product Family
- Karate Monkey
- Component Chain
- KMC X12, NP/BK
- Component Color
- High Fiber Green
- Component Frame
- 100% Surly Chromoly Steel, Custom double-butted, externally flared tubing, Horizontal slotted with derailleur hanger, Surly “Gnot Boost” 142 or 148mm hub spacing compatibility.
- Component Brakes
- Tektro Gemini HD-M520
- Component Pedals
- Sold separately
- Component Rotors
- Tektro 180/160mm
- Component Saddle
- WTB Volt 142
- Component Headset
- Cane Creek 15
- Component Crankset
- Shimano Deore FC-M6100-1, 30t
- Component Seatpost
- TranzX SP15, dropper post 120mm travel, 30.9
- Component Shifters
- Shimano Deore XT, SL-M8100
- Component Handlebar
- Salsa Rustler without logo
- Component Front Tire
- Surly Dirt Wizard 27 x 2.8", 60tpi Tubeless Ready
- Component Tape Grips
- Velo - lock on
- Component Brake Levers
- Tektro Gemini HD-M520
- Component Bottom Bracket
- Shimano, included with crankset
- Component Rear Derailleur
- Shimano Deore XT, RD-M8100, 12-speed
- Component Cassette Freewheel
- SunRace CSMZ800, 11-51t, 12-Speed
- Hubs
- Front: 110mm, Novatec, 32h, Thru-Axle Rear: 148mm, Novatec, 32h, Thru-Axle
- Rims
- WTB ST i35 TCS
- Crankset
- Shimano Deore FC-M6100-1, 30t
- Pedals
- Sold separately
- Bottom Bracket
- Shimano, included with crankset
- Chain
- KMC X12, NP/BK
- Seatpost
- TranzX SP15, dropper post 120mm travel, 30.9
- Saddle
- WTB Volt 142
- Handlebar
- Salsa Rustler without logo
- Headset
- Cane Creek 15
- Rear Derailleur
- Shimano Deore XT, RD-M8100, 12-speed
- Stem
- Promax 31.8
- Brake Levers
- Tektro Gemini HD-M520
- Brakes
- Tektro Gemini HD-M520
- Fork
- RockShox 35 Gold RL, 27.5 - 140mm travel, 44mm offset, 15 x 110mm Axle, disc
- Frame
- 100% Surly Chromoly Steel, Custom double-butted, externally flared tubing, Horizontal slotted with derailleur hanger, Surly “Gnot Boost” 142 or 148mm hub spacing compatibility.
- Shifters
- Shimano Deore XT, SL-M8100
- Tape/Grips
- Velo - lock on
- Color
- High Fiber Green
- Size
- X-Large
- Cassette/Freewheel
- SunRace CSMZ800, 11-51t, 12-Speed
- Rotors
- Tektro 180/160mm
- Front Tire
- Surly Dirt Wizard 27 x 2.8", 60tpi Tubeless Ready
What to check when buying used
Inspection
Drivetrain wear
Check chain stretch, cassette teeth, chainrings, and shifting under load before negotiating price.
Inspection
Service history
Ask for service records covering bearings, brakes, drivetrain, and any frame or fork warranty work.
Inspection
Suspension service
Confirm fork and rear shock service intervals and check pivot bearings for play.