Surly Karate Monkey Frameset 2025
2025 Mountain
Estimate price |
1,099$
Bike details
Overview
Key information split into simple groups.
Frame summary
-
-
Frame Steel -
Brakes Mechanical Disc
Sizing
Recommended size guide.
XS
145cm - 160cm
SM
155cm - 170cm
MD
165cm - 180cm
LG
175cm - 191cm
XL
185cm - 201cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Surly Karate Monkey - 4130 Chromoly, Natch tubing, double-butted main triangle, trumpet flared tubes, TIG welded, ED coated
Suspension Fork
Surly Karate Monkey - 4130 Chromoly, Natch tubing, double-butted tapered fork blades, TIG welded, ED coated
Drivetrain
Bottom Bracket
73mm threaded (1.37" x 24TPI)
Wheels
Tires
27.5 x 3.0"
Brakes
Brakes
Disc - 51mm I.S. (203mm max rotor)
Seat
Seatpost
Ø30.9mm
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | XS | SM | MD | LG | XL |
|---|---|---|---|---|---|
| Stack Reach Ratio | 1.584 mm | 1.485 mm | 1.398 mm | 1.347 mm | 1.303 mm |
| Bottom Bracket Height | 300 mm | 300 mm | 300 mm | 300 mm | 300 mm |
| Front Center | 636 mm | 661 mm | 686 mm | 712 mm | 738 mm |
| Rake | 47 mm | 47 mm | 47 mm | 47 mm | 47 mm |
| Trail | 88 mm | 88 mm | 88 mm | 88 mm | 88 mm |
| Stack | 597 mm | 597 mm | 597 mm | 606 mm | 615 mm |
| Reach | 377 mm | 402 mm | 427 mm | 450 mm | 472 mm |
| Top Tube Length | 560 mm | 585 mm | 610 mm | 635 mm | 660 mm |
| Seat Tube Angle | 73 ° | 73 ° | 73 ° | 73 ° | 73 ° |
| Seat Tube Length | 330 mm | 368 mm | 419 mm | 470 mm | 521 mm |
| Head Tube Angle | 69 ° | 69 ° | 69 ° | 69 ° | 69 ° |
| Head Tube Length | 100 mm | 100 mm | 100 mm | 110 mm | 120 mm |
| Chainstay Length | 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 |
| Standover Height | 743 mm | 759 mm | 783 mm | 812 mm | 827 mm |
| Wheels | 27" | 27" | 27" | 27" | 27" |
| Rider Min Height | 145 cm | 155 cm | 165 cm | 175 cm | 185 cm |
| Rider Max Height | 160 cm | 170 cm | 180 cm | 191 cm | 201 cm |