Velopedia Bicycle Archive
Surly Karate Monkey Frameset - Lost at Sea Blue Blue
Original manufacturer specifications including 27.5" wheels, geometry for 5 published sizes.
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What Velopedia knows
- Model year
- Not published by manufacturer
- Category
- Mountain
- Original MSRP
- $999.00
- Sizes
- XS, S, M, L, XL
- Colors
- Lost at Sea Blue
- Geometry
- 5 manufacturer sizes
- Record coverage
- 5 preserved details · 8 archived images · original MSRP · preserved geometry
- Archive ID
- 900001166
Frameset
| Frame Construction | 4130 Chromoly, Natch tubing, double-butted main triangle, trumpet flared tubes, TIG welded, ED coated |
|---|---|
| Frame Material | Steel |
| Fork | 4130 Chromoly, Natch tubing, double-butted tapered fork blades, TIG welded, ED coated |
| Fork Material | Steel |
Wheels & Tires
| Wheel Size | 27.5" |
|---|
Size-specific frame data
Geometry
Manufacturer-published geometry normalized for consistent archival comparison. Effective top tube and reach remain separate measurements because they describe different aspects of fit.
| 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 |
Geometry source: Manufacturer HTML geometry table ↗ Measurements can vary by configuration, wheel size, or flip-chip position where noted by the manufacturer.
Used-frameset inspection
If you’re buying this frameset used
Before buying: confirm the serial number and exact model, inspect frame and fork alignment, and inventory every included axle, hanger, clamp, headset part, cable guide and proprietary fitting.
Inspect the frame and fork →- FrameCheck paint chips, vent holes and the inside of the seat tube for corrosion. Also look for dents, bent tubes and cracking around welded or brazed joints.Inspect the frame and fork →
- Included hardwareInventory every axle, hanger, clamp, headset part, cable guide, frame plug and proprietary fitting included with the frameset. Confirm replacement availability before treating a missing small part as insignificant.
- AlignmentSight along the frame and fork from several directions. Confirm that the fork, rear dropouts, head tube and other visible interfaces appear straight; professional measurement is appropriate when alignment cannot be established visually.
Used-frameset inspection checklist 14 universal checks for a record with limited component data Open checklistClose checklist
The archived record does not contain enough component detail for a fully specification-informed frameset checklist. Use these universal checks on the frameset in front of you, inventory every included part and confirm exact interfaces before choosing components.
Identity and fit
Follow the full used-bike inspection order →Archived: Surly Karate Monkey Frameset - Lost at Sea Blue Blue · Mountain · Published sizes: XS, S, M, L, XL
Frame and fork
Inspect the frame and fork →Archived: Frame: 4130 Chromoly, Natch tubing, double-butted main triangle, trumpet flared tubes, TIG welded, ED coated · Fork: 4130 Chromoly, Natch tubing, double-butted tapered fork blades, TIG welded, ED coated · Steel
Alignment
Inspect the frame and fork →Frame interfaces
Inspect the bottom bracket and shell →Before accepting the frameset
Inspect the frame and fork →Build relationships are limited to the archived manufacturer specifications. Confirm exact fit and standards before ordering parts or performing service.
Have you owned this bike?Help document firsthand fit, ride and maintenance details that may no longer be available.
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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.