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Surly Karate Monkey Front Suspension - Peach Salmon Sundae
Original specifications: 27.5" wheels · geometry for 5 published sizes.
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At a glance
- Model year
- Not published by manufacturer
- Category
- Mountain
- Original MSRP
- $2,599.00
- Sizes
- XS, S, M, L, XL
- Colors
- Peach Salmon Sundae
- Geometry
- 5 manufacturer sizes
- In this record
- 20 specifications · 8 archived images · original MSRP · geometry
- Archive ID
- 900001168
Original buildSteel · 27.5"
Frameset
| Frame Construction | Surly Karate Monkey - 4130 Chromoly, Natch tubing, double-butted main triangle, trumpet flared tubes, TIG welded, ED coated |
|---|---|
| Frame Material | Steel |
| Fork | RockShox 35 Gold RL, 27.5", 15 x 110mm, 140mm travel, 44mm offset |
Drivetrain
| Shifters | Shimano Deore XT, 12-spd |
|---|---|
| Rear Derailleur | Shimano Deore XT M-8100 |
| Crankset | Shimano Deore M-6100, 30t |
| Bottom Bracket | Shimano |
| Cassette | OE 12-spd, 11-51t |
| Chain | KMC X12 Anti-Rust |
Brakes
| Brakes | Brake Calipers: Tektro Gemini HD-M520; Brake Levers: Tektro Gemini HD-M520; Rotors: Tektro 180/160, 6-Bolt |
|---|
Cockpit & Contact Points
| Headset | Cane Creek |
|---|---|
| Handlebar | Salsa Rustler |
| Stem | Promax 31.8mm |
| Saddle | WTB Volt |
| Seatpost | TranzX YSP15, 30.9, 100mm travel for XS, 120mm travel for SM–XL |
Wheels & Tires
| Hubs | (F) Novatec 15x110mm, 32h / (R) Novatec 12x148mm, 32h |
|---|---|
| Rims | WTB ST I35 TCS 2.0 27.5" |
| Front Tire | Surly Dirt Wizard 27.5 x 2.8", 60tpi, Tubeless Ready |
| Rear Tire | Surly Dirt Wizard 27.5 x 2.8", 60tpi, Tubeless Ready |
| Wheel Size | 27.5" |
Geometry
Frame measurements by size.
Published frame view
Select an available measurement to locate it on the frame.
All geometry measurements5 sizes · 16 measurements
| Measurement | X-Small | Small | Medium | Large | X-Large |
|---|---|---|---|---|---|
| Seat tube | 330 mm | 368 mm | 419 mm | 470 mm | 521 mm |
| Effective top tube | 562 mm | 587 mm | 612 mm | 637 mm | 662 mm |
| Head tube | 100 mm | 100 mm | 100 mm | 110 mm | 120 mm |
| Head-tube angle | 68° | 68° | 68° | 68° | 68° |
| Seat-tube angle | 72° | 72° | 72° | 72° | 72° |
| Chainstay / rear center | 423 mm | 423 mm | 423 mm | 423 mm | 423 mm |
| Wheelbase | 1057 mm | 1082 mm | 1107 mm | 1132 mm | 1158 mm |
| Bottom-bracket drop | 51 mm | 51 mm | 51 mm | 51 mm | 51 mm |
| Reach | 371 mm | 396 mm | 421 mm | 443 mm | 466 mm |
| Stack | 601 mm | 601 mm | 602 mm | 611 mm | 621 mm |
| Standover height | 751 mm | 769 mm | 791 mm | 819 mm | 848 mm |
| Fork offset / rake | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm |
| Fork length / axle-to-crown | 499 mm | 499 mm | 499 mm | 499 mm | 499 mm |
| Crank length | 170 mm | 170 mm | 175 mm | 175 mm | 175 mm |
| Stem length | 60 mm | 70 mm | 70 mm | 70 mm | 80 mm |
| Handlebar width | 750 mm | 750 mm | 800 mm | 800 mm | 800 mm |
Measurements may vary by configuration, wheel size, or frame setting where noted in the published chart.
Gearing
Lower ratios provide more mechanical advantage for climbing. Higher ratios turn the rear wheel farther with each crank revolution.
Parts & serviceability
Find replacement parts
More parts (5)

Shimano Deore XT RD-M8200 Rear Derailleur Max 45t, Min 9t, 12-Speed
12-Speed
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Bike-specific inspection checklist 21 checks based on 6 archived component groups Open checklistClose checklist
This checklist uses the archived equipment for this bike. It cannot confirm the condition, service history or later component changes of the example in front of you.
Identity and fit
Follow the full used-bike inspection order →Archived: Surly Karate Monkey Front Suspension - Peach Salmon Sundae · Mountain · Published sizes: XS, S, M, L, XL
Frame and fork
Inspect the frame and fork →Archived: Frame: Surly Karate Monkey - 4130 Chromoly, Natch tubing, double-butted main triangle, trumpet flared tubes, TIG welded, ED coated · Fork: RockShox 35 Gold RL, 27.5", 15 x 110mm, 140mm travel, 44mm offset
Suspension
Evaluate the suspension →Archived: Fork: RockShox 35 Gold RL, 27.5", 15 x 110mm, 140mm travel, 44mm offset
Drivetrain
Check drivetrain wear →Archived: Shifters: Shimano Deore XT, 12-spd · Rear derailleur: Shimano Deore XT M-8100 · Crankset: Shimano Deore M-6100, 30t · Bottom bracket: Shimano · Cassette: OE 12-spd, 11-51t · Chain: KMC X12 Anti-Rust
Brakes
Inspect the brakes →Archived: Brakes: Brake Calipers: Tektro Gemini HD-M520; Brake Levers: Tektro Gemini HD-M520; Rotors: Tektro 180/160, 6-Bolt
Wheels and tires
Check wheels and tires →Archived: Wheel size: 27.5" · Rims: WTB ST i35 TCS 2.0 27.5" · Hubs: (F) Novatec 15x110mm, 32h / (R) Novatec 12x148mm, 32h · Front tire: Surly Dirt Wizard 27.5 x 2.8", 60tpi, Tubeless Ready · Rear tire: Surly Dirt Wizard 27.5 x 2.8", 60tpi, Tubeless Ready
Controls and contact points
Archived: Headset: Cane Creek · Handlebar: Salsa Rustler · Stem: Promax 31.8mm · Seatpost: TranzX YSP15, 30.9, 100mm travel for XS, 120mm travel for SM–XL · Saddle: WTB Volt
Before and during the test ride
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Gallery8 images
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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.



