2008 Specialized Bicycles Stumpjumper Base

Design
Flat Bar, Hardtail (Front suspension)
Frame
Aluminum
Fork
Steel
Suspension
90mm fork travel, 0% sag
Features
Rim brake
Very aggressive stack and reachvs category
Very aggressive stack and reachvs category
Very aggressive stack and reachvs category
Very aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Average stack and reachvs category

Geometry

13.5
15.5
17
18
19
21
Stack
345.5mm
454mm
516.4mm
569.2mm
589.1mm
631.2mm
Reach
427.8mm
414.6mm
425.5mm
424.4mm
433.3mm
445.4mm
Stack to Reach Ratio
0.81:1
1.1:1
1.21:1
1.34:1
1.36:1
1.42:1
Seat Tube Length, C-T
343mm
394mm
432mm
457mm
483mm
533mm
Top Tube Length, Effective/Horizontal Center
535mm
555mm
585mm
600mm
615mm
640mm
Top Tube Length, Actual C-C
530mm
537mm
563mm
575mm
590mm
615mm
Top Tube Slope
1.9deg
8.3deg
10.6deg
13.3deg
12.4deg
11.4deg
Head Tube Angle
70.5deg
70.5deg
70.5deg
70.5deg
70.5deg
70.5deg
Seat Tube Angle
73deg
73deg
73deg
73deg
73deg
73deg
Head Tube Length
100mm
100mm
120mm
120mm
140mm
160mm
Bottom Bracket Drop
26.3mm
26.3mm
26.3mm
26.3mm
26.3mm
26.3mm
Bottom Bracket Height
304mm
304mm
304mm
304mm
304mm
304mm
Chainstay Length
424mm
424mm
424mm
424mm
424mm
424mm
Chainstay Length Horizontal
423.2mm
423.2mm
423.2mm
423.2mm
423.2mm
423.2mm
Front-Center
590.4mm
610.4mm
641.4mm
656.3mm
672.3mm
698.3mm
Front-Center Horizontal
589.8mm
609.8mm
640.8mm
655.8mm
671.8mm
697.8mm
Wheelbase
1013mm
1033mm
1064mm
1079mm
1095mm
1121mm
Trail
—
—
—
—
—
—
—
—
—
—
—
—
Mechanical Trail
—
—
—
—
—
—
Wheel Flop
—
—
—
—
—
—
Standover Height
695mm
728mm
759mm
773mm
796mm
832mm
Tire to Pedal Spindle
90.1mm
170 mm cranks
110.1mm
170 mm cranks
136.1mm
175 mm cranks
151mm
175 mm cranks
167mm
175 mm cranks
193mm
175 mm cranks
Pedal Spindle to Ground Clearance
134mm
170 mm cranks
134mm
170 mm cranks
129mm
175 mm cranks
129mm
175 mm cranks
129mm
175 mm cranks
129mm
175 mm cranks

Base Build

13.5
15.5
17
18
19
21
Wheel Size
26 in
559 mm BSD
26 in
559 mm BSD
26 in
559 mm BSD
26 in
559 mm BSD
26 in
559 mm BSD
26 in
559 mm BSD
Tire Width
2in
2in
2in
2in
2in
2in
Tire Outer Diameter
660.6mm
660.6mm
660.6mm
660.6mm
660.6mm
660.6mm
Bike Length with Tires
1673.6mm
1693.6mm
1724.6mm
1739.6mm
1755.6mm
1781.6mm
Crank Length
170mm
170mm
175mm
175mm
175mm
175mm
Handlebar Width
600mm
600mm
600mm
600mm
600mm
600mm
Stem Length
75mm
75mm
90mm
105mm
105mm
120mm

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 Scale
Source:https://www.specialized.com/us/en/stumpjumper/p/21987