2024 Specialized Bicycles Stumpjumper 15 Base S4

Build

700C/29 in × 2.3 in

Insights

Somewhat upright stack and reach vs trend of full-suspension trail mtb bikes
Design deviates from other sizes of Specialized Bicycles Stumpjumper 15
Suspension sag unknown
Geometry may mis-represent actual riding geometry

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
640mm
Reach
475mm
Stack to Reach Ratio
1.35:1
Seat Tube Length, Unknown
425mm
Top Tube Length, Effective/Horizontal Center
624mm
Top Tube Slope
21.6deg
Head Tube Angle
64.5deg
Seat Tube Angle
76.5deg
Head Tube Length
125mm
Bottom Bracket Drop
38mm
Bottom Bracket Height
331.4mm
Chainstay Length
435mm
Chainstay Length Horizontal
433.3mm
Front-Center
812mm
Front-Center Horizontal
810.7mm
Wheelbase
1244mm
Fork Offset/Rake
43.8mm
Fork Length, Unknown
561mm
Trail
127.7mm
very high
Mechanical Trail
115.2mm
Wheel Flop
49.6mm
Standover Height
745mm
Tire to Pedal Spindle Distance
With 170 mm cranks
272.6mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
161.4mm

Base Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
2.3in
Tire Outer Diameter
738.8mm
Bike Length with Tires
1982.8mm
Crank Length
170mm
Handlebar Width
800mm
Stem Length
35mm
Suspension Type
Full suspension
Bar Type
Flat Bar
Fork Travel
150mm
Rear Travel
145mm
Suspension Sag
Unknown
Frame Material
Unknown
Fork Material
Unknown
Brake Type
Unknown
Source:https://www.specialized.com/us/en/s-works-stumpjumper-15/p/4221406?color=5366727-4221406&searchText=93325-0005