Surly Karate Monkey Frameset

Surly Karate Monkey Frameset
  • Color: Blue Porta Potty
  • Color: Blue Porta Potty
  • Color: Hi-Viz Black
  • Color: Hi-Viz Black
  • Color: Lemon Lime Soda
  • Color: Lemon Lime Soda
Please select options
The manufacture currently does not permit this item to be shipped, however it can be purchased online and picked up in the store. If this item is purchased in the store we can ship it anywhere you'd like.


The Karate Monkey frame features updated, progressive trail geometry, a new tubeset, and Surly’s Gnot-Boost rear dropout system to support multiple drivetrain and wheel size configurations.

- 100% Surly 4130 chromoly steel frame and fork; double-butted main triangle and 44mm headtube
- Tubeset uses the same trumpet tubes found on Instigator 2.0 frame
- Adjustable rear dropouts with 145mm Gnot-Boost spacing works with 142 x 12, 148 x 12mm, and 135mm w/ 10/12 washer
- Internal dropper seatpost routing
- 30.9mm seat tube ID
- Clearance for 29 x 2.55 or 27.5 x 3 tires

Part Numbers

Option UPC MPN Store SKU
Blue Porta Potty / Small 708752240186 FM0311 SUR44738952Y
Hi-Viz Black / X-Small 708752240261 FM0315 SUR41943973K
Hi-Viz Black / Small 708752240285 FM0316 SUR40803387K
Hi-Viz Black / Medium 708752240308 FM0317 SUR41513845K
Hi-Viz Black / Large 708752240322 FM0318 SUR40545042K
Hi-Viz Black / X-Large 708752240346 FM0319 SUR41981455K
Lemon Lime Soda / Large 708752240421 FM0323 SUR43407455A