Rear tire: 27.5×3.
Velopedia Bicycle Archive
Surly Karate Monkey - Snow Mold White
Original specifications: 27.5" wheels · 31 lb. 12 oz. for Medium published weight · geometry for 5 published sizes.
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At a glance
- Model year
- Not published by manufacturer
- Category
- Mountain
- Original MSRP
- $1,849.00
- Sizes
- XS, S, M, L, XL
- Colors
- Snow Mold White
- Weight
- 31 lb. 12 oz. for Medium
- Geometry
- 5 manufacturer sizes
- In this record
- 22 specifications · 8 archived images · original MSRP · geometry
- Archive ID
- 900000931
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 | Surly Karate Monkey - 4130 Chromoly, Natch tubing, double-butted tapered fork blades, TIG welded, ED coated |
| Fork Material | Steel |
Drivetrain
| Shifters | Shimano Deore M6100 |
|---|---|
| Rear Derailleur | Shimano Deore M6100 SGS |
| Crankset | Shimano MT511, 30T |
| Bottom Bracket | Shimano MT501, BSA |
| Cassette | SunRace CSMZ800, 11-51t, 12spd |
| Chain | KMC X12 Anti-Rust |
Brakes
| Brakes | Brake Calipers: Tektro HD-M275/HD-M276; Brake Levers: Tektro HD-M275/HD-M276; Rotors: Tektro 180/160, 6-Bolt |
|---|
Cockpit & Contact Points
| Headset | Cane Creek |
|---|---|
| Handlebar | Salsa Rustler |
| Stem | Promax DA-296, 31.8mm |
| Saddle | WTB Volt Medium |
| Seatpost | Promax SP-2019, 30.9mm |
Wheels & Tires
| Hubs | (F) Novatec 15x110mm, 32h / (R) Novatec 12x148mm, 32h |
|---|---|
| Rims | WTB ST I35 TCS 2.0 27.5" |
| Spokes | 14G Black |
| Front Tire | Surly Dirt Wizard 27.5 x 3.0", 60 tpi, Tubeless Ready |
| Rear Tire | Surly Dirt Wizard 27.5 x 3.0", 60 tpi, Tubeless Ready |
| Wheel Size | 27.5" |
Geometry
Frame measurements by size.
Frame diagram
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 | 560 mm | 585 mm | 610 mm | 635 mm | 660 mm |
| Head tube | 100 mm | 100 mm | 100 mm | 110 mm | 120 mm |
| Head-tube angle | 69° | 69° | 69° | 69° | 69° |
| Seat-tube angle | 73° | 73° | 73° | 73° | 73° |
| Chainstay / rear center | 423 mm | 423 mm | 423 mm | 423 mm | 423 mm |
| Wheelbase | 1053 mm | 1078 mm | 1103 mm | 1129 mm | 1155 mm |
| Bottom-bracket drop | 55 mm | 55 mm | 55 mm | 55 mm | 55 mm |
| Reach | 377 mm | 402 mm | 427 mm | 450 mm | 472 mm |
| Stack | 597 mm | 597 mm | 597 mm | 606 mm | 615 mm |
| Standover height | 743 mm | 759 mm | 783 mm | 812 mm | 827 mm |
| Fork offset / rake | 47 mm | 47 mm | 47 mm | 47 mm | 47 mm |
| Fork length / axle-to-crown | 483 mm | 483 mm | 483 mm | 483 mm | 483 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 |
Dimensions as recorded.
Gearing
Lower gears help on climbs. Higher gears suit higher speeds.
RPM = pedal turns per minute.
How it works
Ratio = chainring teeth ÷ rear sprocket teeth. A 400% range means the highest ratio is four times the lowest.
Speeds are estimates from tire size and pedal cadence. Actual speeds vary.
Bike-specific inspection checklist 20 checks based on 5 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 - Snow Mold White · 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: Surly Karate Monkey - 4130 Chromoly, Natch tubing, double-butted tapered fork blades, TIG welded, ED coated · Steel
Drivetrain
Check drivetrain wear →Archived: Shifters: Shimano Deore M6100 · Rear derailleur: Shimano Deore M6100 SGS · Crankset: Shimano MT511, 30T · Bottom bracket: Shimano MT501, BSA · Cassette: SunRace CSMZ800, 11-51t, 12spd · Chain: KMC X12 Anti-Rust
Brakes
Inspect the brakes →Archived: Brakes: Brake Calipers: Tektro HD-M275/HD-M276; Brake Levers: Tektro HD-M275/HD-M276; 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 3.0", 60 tpi, Tubeless Ready · Rear tire: Surly Dirt Wizard 27.5 x 3.0", 60 tpi, Tubeless Ready
Controls and contact points
Archived: Headset: Cane Creek · Handlebar: Salsa Rustler · Stem: Promax DA-296, 31.8mm · Seatpost: Promax SP-2019, 30.9mm · Saddle: WTB Volt Medium
Before and during the test ride
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Gallery8 images
Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.


