2012 Specialized Bicycles Stumpjumper Stumpjumper Expert Carbon EVO R 29
- Category
- Hardtail Cross-country MTB
- Design
- Flat Bar, Hardtail (Front suspension)
- Frame
- Carbon/Composite
- 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 | 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 |
Geometry
15.5 | 17.5 | 19 | 21 | |
Stack | 594mm | 612mm | 627mm | 641mm |
Reach | 394mm | 410.5mm | 430mm | 450mm |
Stack to Reach Ratio | 1.51:1 | 1.49:1 | 1.46:1 | 1.42:1 |
Seat Tube Length, C-T | 394mm | 445mm | 483mm | 533mm |
Top Tube Length, Effective/Horizontal HT Top | 570mm | 592mm | 615mm | 640mm |
Top Tube Length, Actual C-C | 558mm | 570mm | 590mm | 614mm |
Top Tube Slope | 23.1deg | 19deg | 16.1deg | 12.2deg |
Head Tube Angle | 71.5deg | 71.5deg | 71.5deg | 71.5deg |
Seat Tube Angle | 73.5deg | 73.5deg | 73.5deg | 73.5deg |
Head Tube Length | 90mm | 100mm | 115mm | 130mm |
Bottom Bracket Drop | 63.5mm | 63.5mm | 63.5mm | 63.5mm |
Bottom Bracket Height | 297mm | 297mm | 297mm | 297mm |
Chainstay Length | 435mm | 435mm | 435mm | 435mm |
Chainstay Length Horizontal | 430.3mm | 430.3mm | 430.3mm | 430.3mm |
Front-Center | 621.9mm | 644.8mm | 678.6mm | 704.5mm |
Front-Center Horizontal | 618.7mm | 641.7mm | 675.7mm | 701.7mm |
Wheelbase | 1049mm | 1072mm | 1106mm | 1132mm |
Fork Offset/Rake | 44.7mm | 45.2mm | 54.2mm | 55.4mm |
Trail | 73.5mm high | 73mm high | 63.5mm mid/neutral | 62.2mm mid/neutral |
Mechanical Trail | 69.7mm | 69.2mm | 60.2mm | 59mm |
Wheel Flop | 22.1mm | 22mm | 19.1mm | 18.7mm |
Standover Height | 760mm | 810mm | 830mm | 870mm |
Tire to Pedal Spindle | 91.4mm 170 mm cranks | 109.3mm 175 mm cranks | 143.1mm 175 mm cranks | 169mm 175 mm cranks |
Pedal Spindle to Ground Clearance | 127mm 170 mm cranks | 122mm 175 mm cranks | 122mm 175 mm cranks | 122mm 175 mm cranks |
Stumpjumper Expert Carbon EVO R 29 Build
15.5 | 17.5 | 19 | 21 | |
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 | 1.95in | 1.95in | 1.95in | 1.95in |
Tire Outer Diameter | 721.1mm | 721.1mm | 721.1mm | 721.1mm |
Bike Length with Tires | 1770.1mm | 1793.1mm | 1827.1mm | 1853.1mm |
Crank Length | 170mm | 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
Hardtail Cross-country MTBSource:https://www.specialized.com/us/en/stumpjumper-expert-carbon-evo-r-29/p/35135?color=80454-35135