2018 Specialized Bicycles Stumpjumper Comp Alloy 27.5 XL

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
View all sizes

Geometry

Stack
617mm
Reach
464mm
Stack to Reach Ratio
1.33:1
Seat Tube Length, Unknown
523mm
Top Tube Length, Effective/Horizontal Center
646mm
Top Tube Slope
10.6deg
Head Tube Angle
67deg
Seat Tube Angle
74deg
Head Tube Length
95mm
Bottom Bracket Drop
18mm
Bottom Bracket Height
340mm
Chainstay Length
420mm
Chainstay Length Horizontal
419.6mm
Front-Center
764mm
Front-Center Horizontal
764.4mm
Wheelbase
1184mm
Fork Offset/Rake
46mm
Fork Length, Unknown
542mm
Trail
102mm
very high
Mechanical Trail
93.9mm
Wheel Flop
36.7mm
Standover Height
774mm
Tire to Pedal Spindle Distance
With 170 mm cranks
236mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
170mm

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
1900.1mm
Crank Length
170mm
Handlebar Width
780mm
Stem Length
60mm
Suspension Type
Full suspension
Bar Type
Flat Bar
Fork Travel
150mm
Rear Travel
Unknown
Suspension Sag
Unknown
Frame Material
Aluminum
Fork Material
N/A
Brake Type
Unknown
Source:https://www.specialized.com/us/en/stumpjumper-comp-alloy-27-5/p/153985