2016 Surly Karate Monkey vs 2018 Specialized Fuse 6Fattie/29
The XS is the Specialized Fuse 6Fattie/29 size closest to your Small (16) Surly Karate Monkey. We match frame stack and reach. This is a geometry comparison, not a fit recommendation; stem, spacers, handlebars and saddle setup also affect your riding position.
What changes on the Specialized Fuse 6Fattie/29
Compared with the Surly Karate Monkey in Small (16), the Specialized Fuse 6Fattie/29 in XS places the top of the head tube 12 mm higher and 15 mm further back, relative to the bottom bracket. Its wheelbase is 32 mm longer, which can contribute to stability at speed.
- Frame stack
- +12 mm
- Higher front end
- Frame reach
- −15 mm
- Shorter frame reach
- Wheelbase
- +32 mm
- Longer: steadier at speed
- Head angle
- −2.5°
- Slacker: calmer steering
- Chainstays
- +4 mm
- Longer: more planted
The two frames
Surly Karate Monkey, Small (16)Specialized Fuse 6Fattie/29, XSDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Surly Karate Monkey Small (16) | Specialized Fuse 6Fattie/29 XS | Difference |
|---|---|---|---|
| Reach | 394.9 | 380mm | −15 mm |
| Stack | 591.1 | 603mm | +12 mm |
| Head tube angle | 71.0° | 68.5° | −2.5° |
| Seat tube angle | 73.0° | 73° | ±0.0° |
| Chainstay length | 431.0 | 435mm | +4 mm |
| Wheelbase | 1046.1 | 1078mm | +32 mm |
| BB drop | 68.0 | not listed | |
| Standover | 762.9 | 715mm | −48 mm |
| Seat tube length | 406.4 | 330mm | −76 mm |
| Fork length | 468.0 | 500mm | +32 mm |
| Head tube length | 100.0 | 100mm | ±0 mm |
| Effective top tube | not listed | 553mm | |
| BB height | not listed | 317mm |
Differences are the Specialized Fuse 6Fattie/29 minus the Surly Karate Monkey. Full charts: 2016 Surly Karate Monkey, 2018 Specialized Fuse 6Fattie/29.
Where each sits in its class
Surly Karate MonkeySpecialized Fuse 6Fattie/29
Each bike is ranked against the other trail bikes on Quiver, on frame geometry alone. Not your hand position or ride feel.
What each ships with
The stock build of each bike's first listed trim. Parts that match are dimmed.
| Part | Surly Karate Monkey | Specialized Fuse 6Fattie/296Fattie/29 |
|---|---|---|
| Fork | not listed | SR Suntour XCM32 |
| Shifter | not listed | SRAM X5 |
| Derailleur | not listed | SRAM GX |
| Chain | not listed | KMC X-10 |
| Crankset | not listed | Specialized Stout |
| Tire | not listed | Specialized Ground Control |
| Hub | not listed | Specialized Stout 110, Specialized Stout 141 |
| Rim | not listed | Specialized Stout 38 27.5 |
| Brake | not listed | Tektro Auriga |
| Handlebar | not listed | Specialized Stout |
| Grips | not listed | Specialized Sip Grip |
| Saddle | not listed | Specialized Henge Comp |
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