2019 Specialized Bicycles Stumpjumper Comp Alloy 29 S
Build
700C/29 in × 2.6 in
Insights
Somewhat upright stack and reach vs trend of full-suspension trail mtb bikes
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
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Geometry
| Stack | 619mm |
| Reach | 405mm |
| Stack to Reach Ratio | 1.53:1 |
| Seat Tube Length, C-T | 380mm |
| Top Tube Length, Effective/Horizontal HT Top | 573mm |
| Top Tube Slope | 26.6deg |
| Head Tube Angle | 66.5deg |
| Seat Tube Angle | 74.8deg |
| Head Tube Length | 100mm |
| Bottom Bracket Drop | 33mm |
| Bottom Bracket Height | 344mm |
| Chainstay Length | 437mm |
| Chainstay Length Horizontal | 435.8mm |
| Front-Center | 716mm |
| Front-Center Horizontal | 715.3mm |
| Wheelbase | 1151mm |
| Fork Offset/Rake | 51mm |
| Fork Length (On-Axis) | 560mm |
| Trail | 108.3mm very high |
| Mechanical Trail | 99.3mm |
| Wheel Flop | 39.6mm |
| Standover Height | 756mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 169mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 174mm |
Comp Alloy 29 Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.6in |
| Tire Outer Diameter | 754.1mm |
| Bike Length with Tires | 1905.1mm |
| Crank Length | 170mm |
| Handlebar Width | 780mm |
| Stem Length | 45mm |
| Suspension Type | Full suspension |
| Bar Type | Flat Bar |
| Fork Travel | 150mm |
| Rear Travel | Unknown |
| Suspension Sag | Unknown |
| Frame Material | Aluminum |
| Fork Material | Unknown |
| Brake Type | Disc |
Source:https://www.specialized.com/us/en/mens-stumpjumper-comp-alloy-29-12-speed/p/157617?color=236397-157617