2010 Specialized Stumpjumper Carbon HT Frameset vs 2009 Surly Karate Monkey
The XS is the Surly Karate Monkey size closest to your 15.5 Specialized Stumpjumper Carbon HT Frameset. 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 Surly Karate Monkey
Compared with the Specialized Stumpjumper Carbon HT Frameset in 15.5, the Surly Karate Monkey in XS places the top of the head tube 18 mm higher and about as far forward, relative to the bottom bracket. Its wheelbase is 25 mm longer, which can contribute to stability at speed.
- Frame stack
- +18 mm
- Higher front end
- Frame reach
- −1 mm
- About the same reach
- Wheelbase
- +25 mm
- Longer: steadier at speed
- Head angle
- −2.0°
- Slacker: calmer steering
- Chainstays
- −1 mm
- About the same
The two frames
Specialized Stumpjumper Carbon HT Frameset, 15.5Surly Karate Monkey, XSDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Stumpjumper Carbon HT Frameset 15.5 | Surly Karate Monkey XS | Difference |
|---|---|---|---|
| Reach | 378mm | 377 | −1 mm |
| Stack | 579mm | 597 | +18 mm |
| Head tube angle | 71° | 69 | −2.0° |
| Seat tube angle | 73° | 73 | ±0.0° |
| Chainstay length | 424mm | 423 | −1 mm |
| Wheelbase | 1028mm | 1053 | +25 mm |
| BB height | 301mm | not listed | |
| Standover | 761mm | 743 | −18 mm |
| Seat tube length | 394mm | 330 | −64 mm |
| Effective top tube | not listed | 560 | |
| BB drop | not listed | 55 | |
| Fork length | not listed | not listed | |
| Head tube length | not listed | 100 |
Differences are the Surly Karate Monkey minus the Specialized Stumpjumper Carbon HT Frameset. Full charts: 2010 Specialized Stumpjumper Carbon HT Frameset, 2009 Surly Karate Monkey.
Where each sits in its class
Specialized Stumpjumper Carbon HT FramesetSurly Karate Monkey
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 | Specialized Stumpjumper Carbon HT FramesetS-Works Carbon HT Frameset | Surly Karate MonkeyKarate Monkey - Organic Eggplant |
|---|---|---|
| Bottom bracket | Shimano BB-91 | Shimano 73mm threaded |
| Frame | not listed | Surly Karate Monkey |
| Shifter | not listed | Shimano Deore |
| Derailleur | not listed | Shimano Deore |
| Cassette | not listed | 12-speed, 11-51t |
| Chain | not listed | KMC X-12 |
| Crankset | not listed | Shimano Deore MT510 |
| Wheelset | not listed | Novatec hubs, WTB ST i40 TCS 2.0, 27.5" |
| Tire | not listed | Surly Dirt Wizard |
| Brake | not listed | SRAM BB5 |
| Rotor | not listed | SRAM 180/160mm, 6-bolt |
| Handlebar | not listed | Salsa Rustler |
| Stem | not listed | Kalloy 31.8mm |
| Grips | not listed | Velo Black |
| Headset | not listed | Cane Creek |
| Seatpost | not listed | Kalloy 30.9mm |
| Saddle | not listed | Selle Italia |
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