2019 Specialized Bicycles Stumpjumper Comp Alloy 27.5 S
Build
650B/27.5 in × 2.6 in
Insights
Average 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 | 592mm |
| Reach | 415mm |
| Stack to Reach Ratio | 1.43:1 |
| Seat Tube Length, Unknown | 380mm |
| Top Tube Length, Effective/Horizontal Center | 570mm |
| Top Tube Slope | 23.7deg |
| Head Tube Angle | 65.5deg |
| Seat Tube Angle | 75.3deg |
| Head Tube Length | 105mm |
| Bottom Bracket Drop | 21mm |
| Bottom Bracket Height | 337mm |
| Chainstay Length | 432mm |
| Chainstay Length Horizontal | 431.5mm |
| Front-Center | 726mm |
| Front-Center Horizontal | 725.5mm |
| Wheelbase | 1157mm |
| Fork Offset/Rake | 46mm |
| Fork Length, Unknown | 542mm |
| Trail | 112.6mm very high |
| Mechanical Trail | 102.5mm |
| Wheel Flop | 42.5mm |
| Standover Height | 752mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 198mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 167mm |
Comp Alloy 27.5 Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 2.6in |
| Tire Outer Diameter | 716.1mm |
| Bike Length with Tires | 1873.1mm |
| 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-27-5-12-speed/p/157616?color=236403-157616