2011 Specialized Bicycles Stumpjumper Comp Alloy 29
- Design
- Flat Bar, Full suspension
- Frame
- Aluminum
- Suspension
- 130mm fork travel
- Features
- Disc brake
Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat upright stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat upright stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry |
Geometry
S | M | L | XL | |
Stack | 591mm | 609mm | 628mm | 637mm |
Reach | 426mm | 451mm | 473mm | 493mm |
Stack to Reach Ratio | 1.39:1 | 1.35:1 | 1.33:1 | 1.29:1 |
Seat Tube Length, C-T | 445mm | 483mm | 533mm | 584mm |
Top Tube Length, Effective/Horizontal Center | 587mm | 617mm | 645mm | 665mm |
Top Tube Length, Actual C-C | 556mm | 587mm | 616mm | 632mm |
Top Tube Slope | 13.9deg | 11.7deg | 10.3deg | 12.2deg |
Head Tube Angle | 69.5deg | 69.5deg | 69.5deg | 69.5deg |
Seat Tube Angle | 70.5deg | 70.5deg | 70.5deg | 70.5deg |
Effective Seat Tube Angle, Unknown | 74.5deg | 74.5deg | 74.5deg | 74.5deg |
Head Tube Length | 110mm | 130mm | 150mm | 160mm |
Bottom Bracket Drop | 28.9mm | 28.9mm | 28.9mm | 28.9mm |
Bottom Bracket Height | 338mm | 338mm | 338mm | 338mm |
Chainstay Length | 449mm | 449mm | 449mm | 449mm |
Chainstay Length Horizontal | 448.1mm | 448.1mm | 448.1mm | 448.1mm |
Front-Center | 676.6mm | 708.5mm | 737.5mm | 757.5mm |
Front-Center Horizontal | 675.9mm | 707.9mm | 736.9mm | 756.9mm |
Wheelbase | 1124mm | 1156mm | 1185mm | 1205mm |
Fork Offset/Rake | 45mm | 45mm | 45mm | 45mm |
Trail | 89.1mm very high | 89.1mm very high | 89.1mm very high | 89.1mm very high |
Mechanical Trail | 83.5mm | 83.5mm | 83.5mm | 83.5mm |
Wheel Flop | 29.2mm | 29.2mm | 29.2mm | 29.2mm |
Standover Height | 746mm | 762mm | 769mm | 763mm |
Tire to Pedal Spindle | 134.7mm 175 mm cranks | 166.6mm 175 mm cranks | 195.6mm 175 mm cranks | 215.6mm 175 mm cranks |
Pedal Spindle to Ground Clearance | 163mm 175 mm cranks | 163mm 175 mm cranks | 163mm 175 mm cranks | 163mm 175 mm cranks |
Comp Alloy 29 Build
S | M | L | XL | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 2.2in | 2.2in | 2.2in | 2.2in |
Tire Outer Diameter | 733.8mm | 733.8mm | 733.8mm | 733.8mm |
Bike Length with Tires | 1857.8mm | 1889.8mm | 1918.8mm | 1938.8mm |
Crank Length | 175mm | 175mm | 175mm | 175mm |
Handlebar Width | 680mm | 680mm | 680mm | 680mm |
Stem Length | 75mm | 90mm | 105mm | 105mm |
Stack and Reach vs. Category Trend
Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive
The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.
Learn more about the Upright/Aggressive ScaleCategory Trend
Full-suspension Cross-country MTBSource:https://www.specialized.com/us/en/stumpjumper-fsr-comp-29er/p/23344