2011 Specialized Stumpjumper Comp vs 2009 Surly Karate Monkey
The L is the Surly Karate Monkey size closest to your 21 Specialized Stumpjumper Comp. 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 Comp in 21, the Surly Karate Monkey in L places the top of the head tube 24 mm lower and 3 mm further forward, relative to the bottom bracket. Its wheelbase is 46 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −24 mm
- Lower front end
- Frame reach
- +3 mm
- Longer frame reach
- Wheelbase
- −46 mm
- Shorter: quicker to change direction
- Head angle
- +1.5°
- Steeper: sharper steering
- Chainstays
- +7 mm
- Longer: more planted
The two frames
Specialized Stumpjumper Comp, 21Surly Karate Monkey, LDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Stumpjumper Comp 21 | Surly Karate Monkey L | Difference |
|---|---|---|---|
| Reach | 447mm | 450 | +3 mm |
| Stack | 630mm | 606 | −24 mm |
| Head tube angle | 70.5° | 72 | +1.5° |
| Seat tube angle | 73° | 73 | ±0.0° |
| Chainstay length | 424mm | 431 | +7 mm |
| Wheelbase | 1122mm | 1076.1 | −46 mm |
| BB height | 304mm | not listed | |
| Standover | 846mm | 838.2 | −8 mm |
| Seat tube length | 533mm | 508 | −25 mm |
| Effective top tube | not listed | 617.5 | |
| BB drop | not listed | 68 | |
| Fork length | not listed | 468 | |
| Head tube length | not listed | 95 |
Differences are the Surly Karate Monkey minus the Specialized Stumpjumper Comp. Full charts: 2011 Specialized Stumpjumper Comp, 2009 Surly Karate Monkey.
Where each sits in its class
Specialized Stumpjumper CompSurly 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 CompComp | Surly Karate MonkeyKarate Monkey - Organic Eggplant |
|---|---|---|
| Fork | RockShox Reba RLT | not listed |
| Shifter | SRAM X-7 | Shimano Deore |
| Derailleur | SRAM X-7, SRAM X-9 | Shimano Deore |
| Cassette | Shimano HG81 | 12-speed, 11-51t |
| Chain | KMC X10 | KMC X-12 |
| Crankset | SRAM S-1250 | Shimano Deore MT510 |
| Tire | Specialized S-Works Fast Trak LK | Surly Dirt Wizard |
| Hub | Specialized Hi Lo | not listed |
| Rim | DT Swiss X420SL | not listed |
| Brake | Avid Elixir | SRAM BB5 |
| Saddle | Specialized Phenom | Selle Italia |
| Frame | not listed | Surly Karate Monkey |
| Bottom bracket | not listed | Shimano 73mm threaded |
| Wheelset | not listed | Novatec hubs, WTB ST i40 TCS 2.0, 27.5" |
| 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 |
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