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Stumpjumper

2021 Specialized Bicycles Stumpjumper Expert 29 (low BB)

Category
Full-suspension Trail MTB
Design
Flat Bar, Full suspension
Frame
Carbon/Composite
Suspension
140mm fork travel, 130mm rear travel
Features
Disc brake
S1
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I've Ridden
S2
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I've Ridden
S3
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I've Ridden
S4
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S5
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S6
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Somewhat upright 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
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

S1
S2
S3
S4
S5
S6
Stack
614mm
613mm
622mm
632mm
641mm
650mm
Reach
410mm
430mm
450mm
475mm
500mm
530mm
Stack to Reach Ratio
1.5:1
1.43:1
1.38:1
1.33:1
1.28:1
1.23:1
Seat Tube Length, Unknown
385mm
385mm
405mm
425mm
445mm
465mm
Top Tube Length, Effective/Horizontal Center
563mm
583mm
605mm
632mm
660mm
692mm
Top Tube Slope
25.5deg
24.6deg
22.7deg
20.8deg
19deg
17.2deg
Head Tube Angle
65deg
65deg
65deg
65deg
65deg
65deg
Seat Tube Angle
76deg
76deg
76deg
76deg
76deg
76deg
Head Tube Length
95mm
100mm
110mm
120mm
130mm
140mm
Bottom Bracket Drop
47mm
42mm
42mm
42mm
42mm
42mm
Bottom Bracket Height
322.4mm
327.4mm
327.4mm
327.4mm
327.4mm
327.4mm
Chainstay Length
432mm
432mm
432mm
432mm
442mm
442mm
Chainstay Length Horizontal
429.4mm
430mm
430mm
430mm
440mm
440mm
Front-Center
724mm
746mm
770mm
800mm
829mm
863mm
Front-Center Horizontal
722.6mm
745.1mm
770.1mm
798.1mm
828mm
862mm
Wheelbase
1152mm
1175mm
1200mm
1228mm
1268mm
1302mm
Fork Offset/Rake
44mm
44mm
44mm
44mm
44mm
44mm
Fork Length, Unknown
550mm
550mm
550mm
550mm
550mm
550mm
Trail
123.7mm
very high
123.7mm
very high
123.7mm
very high
123.7mm
very high
123.7mm
very high
123.7mm
very high
Mechanical Trail
112.1mm
112.1mm
112.1mm
112.1mm
112.1mm
112.1mm
Wheel Flop
47.4mm
47.4mm
47.4mm
47.4mm
47.4mm
47.4mm
Standover Height
730mm
734mm
744mm
749mm
757mm
757mm
Tire to Pedal Spindle
189.6mm
165 mm cranks
206.6mm
170 mm cranks
230.6mm
170 mm cranks
260.6mm
170 mm cranks
289.6mm
170 mm cranks
318.6mm
175 mm cranks
Pedal Spindle to Ground Clearance
157.4mm
165 mm cranks
157.4mm
170 mm cranks
157.4mm
170 mm cranks
157.4mm
170 mm cranks
157.4mm
170 mm cranks
152.4mm
175 mm cranks

Expert 29 (low BB) Build

S1
S2
S3
S4
S5
S6
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
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
Tire Width
2.3in
2.3in
2.3in
2.3in
2.3in
2.3in
Tire Outer Diameter
738.8mm
738.8mm
738.8mm
738.8mm
738.8mm
738.8mm
Bike Length with Tires
1890.8mm
1913.8mm
1938.8mm
1966.8mm
2006.8mm
2040.8mm
Crank Length
165mm
170mm
170mm
170mm
170mm
175mm
Handlebar Width
780mm
780mm
780mm
780mm
780mm
780mm
Stem Length
40mm
40mm
50mm
50mm
50mm
50mm

Published Sizing Recommendations

Height
4 ft 11 in
to
5 ft 3 in
5 ft 2 in
to
5 ft 8 in
5 ft 5 in
to
5 ft 11 in
5 ft 8 in
to
6 ft 2 in
5 ft 10 in
to
6 ft 4 in
6 ft 2 in
to
6 ft 8 in

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
Category Trend
Full-suspension Trail MTB
Source:https://www.specialized.com/us/en/stumpjumper-expert/p/175250?color=300726-175250&searchText=93321-3101
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