Specialized Stumpjumper Expert Carbon World Cup

2015 MountainCross-country Manufacturer page

Fork travel: 80 mm
Wheels: 29″
Drivetrain: 1 × 11 32t / 10–42t
Gear range: 420%
Frame: Carbon
Brakes: Hydraulic disc

Rider height by size (cm)

Size guide

SM 158–171
MD 168–180
LG 178–189
XL 186–199

Components

19 of 22 identified

Parts found in a manufacturer catalog show their brand, model and key numbers, and the steps show how precisely they are identified: brand, series, model, or the exact product. The info button has every detail and the text the manufacturer published.

Frame and fork

1 part

Frame

FACT 10m carbon, 29"" geometry, FACT IS construction, tapered headtube, carbon PF30 BB, full internal shift/brake routing, 142mm dropouts, PM 160 rear brake, replaceable alloy rear derailleur hanger Not identified

Suspension

1 part

Fork
- RockShox SID Brain Bottom Adjust

Drivetrain

6 parts

Brakes

2 parts

Brake levers
- Magura
Brakes
- Magura

Wheels and tires

5 parts

Cockpit and contact points

7 parts

Grips
- Specialized
Handlebar
- Specialized
Headset

1-1/8 and 1-1/2"" threadless, Campy style upper with 1-1/2"" lower, cartridge bearings Not identified
Pedals

Resin test ride, w/ toe clips, CEN std. Not identified
Saddle
- Ritchey Comp
Seatpost
- Specialized
Stem
- Specialized

Sizes and geometry

4 sizes Open in the geometry plotter

Enter your height to highlight matching ranges.

Size MD

Table

Reach 414mm

Stack 610mm

Wheelbase 1078mm

Head angle 71.0°

Seat angle 73.5°

Every size is drawn to the same scale, in millimeters. Explanatory schematic on an assumed 29″ wheel; exact published values are in the table below.

Size Reported by the manufacturer

Complete manufacturer geometry table 4 published sizes

Complete manufacturer geometry by size
Measurement
Frame
Reachmm	390	414	437	458
Stackmm	592	610	625	639
Top tube lengthmm	565	593	620	643
Seat tube lengthmm	394	434	470	505
Head tube lengthmm	90	100	115	130
Head tube angle	71°	71°	71°	71°
Seat tube angle	73.5°	73.5°	73.5°	73.5°
Chainstay lengthmm	430	430	430	430
Wheelbasemm	1047	1078	1105	1131
Front centermm	624	655	682	708
Bottom bracket dropmm	61	61	61	61
Bottom bracket heightmm	313	313	313	313
Standover heightmm	760	799	826	849
Fork rakemm	46	47	46	46
Trailmm	80	79	80	80
Stack/reach ratio	1.52	1.47	1.43	1.40
Suspension and parts
Crank lengthmm	170	175	175	175
Handlebar widthmm	700	700	700	700
Stem lengthmm	75	90	105	105

Not published by the manufacturer: Front travel, Rear travel, Stem angle, Seatpost length and Dropper post travel.

Specifications

Frame and fork

Intended fit: Unisex
Frame material: Carbon
Fork material: Aluminum

Suspension

Suspension configuration: Hardtail
Front travel: 80 mm

Drivetrain

Derived by Bikelake

Front chainrings: 1
Smallest chainring: 32
Largest chainring: 32
Rear sprockets: 11
Smallest sprocket: 10
Largest sprocket: 42
Lowest gear: 22.1 in
Highest gear: 92.8 in

Wheels and brakes

Wheel configuration: Same size
Brake type: Hydraulic disc

Fit and controls

Seatpost: Rigid seatpost
Shifting: Mechanical

Additional specifications

Bottom bracket standard: PF30
Fork spring: Air
Tire width: 2″
Wheel material: Carbon
Wheel size: 29″

Technical analysis

3 measures

How these figures sit among bicycles of the same class and model year. Context, not a ranking.

Front travel

80 mm

This value is below the central range for this class.

Cohort: Mountain / Cross-country Model year: 2015
Sample: 365 bicycles with this information
Coverage: 82.5% of the class

Lowest gear

22.1 gear inches

This value is above the central range for this class.

Cohort: Mountain / Cross-country Model year: 2015
Sample: 410 bicycles with this information
Coverage: 92.7% of the class

Highest gear

92.8 gear inches

This value is below the central range for this class.

Cohort: Mountain / Cross-country Model year: 2015
Sample: 410 bicycles with this information
Coverage: 92.7% of the class

Gearing

Estimated speeds at 80 rpm

Lowest gear: 8.5 km/h
Highest gear: 35.5 km/h

Total gear range 420%

Technical details and class reference

These speeds describe the gearing at the selected cadence, not how fast you can ride.
Calculated from published gear-inch values and their wheel-size assumptions.
These gearing values describe the bicycle, not a selected frame size.
A 100% range means one ratio; 500% means the highest ratio is five times the lowest.
For e-bikes, motor assistance cutoff is not represented.

Gear-inch range

Lower gear-inch values travel less distance per pedal revolution; higher values travel farther.

This bicycle: 22.1–92.8 gear inches
Class reference (p10–p90): 16.8–110.7 gear inches; The band runs from p10 for the lowest gear to p90 for the highest gear.

Cohort: Mountain / Cross-country Model year: 2015
Lowest gear: 410 bicycles with this information, 92.7% of the class
Highest gear: 410 bicycles with this information, 92.7% of the class

Lineup changes

The published facts that differ across this family's builds and from the same model a year earlier. Missing information never counts as zero.

Differences across 2015 builds

Differences across 2015 builds
Specification	This bicycle Specialized Stumpjumper Expert Carbon World Cup	Specialized Stumpjumper Comp 29	Specialized Stumpjumper Comp Carbon 29	Specialized Stumpjumper Elite Carbon World Cup	Specialized Stumpjumper Elite M5 World Cup	Specialized Stumpjumper Expert Carbon 29
Frame
Frame material	Carbon	Aluminum	Carbon	Carbon	Aluminum	Carbon
Suspension
Suspension configuration	Hardtail	Hardtail	Hardtail	Hardtail	Full suspension	Hardtail
Drivetrain
Front chainrings	1	2	2	1	1	2
Smallest chainring	32	22	22	32	32	22
Largest chainring	32	36	36	32	32	36
Rear sprockets	11	10	10	11	11	10
Smallest sprocket	10	11	11	10	10	11
Largest sprocket	42	36	36	42	42	36
Lowest gear	22.1 in	17.7 in	17.7 in	22.1 in	22.1 in	17.7 in
Highest gear	92.8 in	94.9 in	94.9 in	92.8 in	92.8 in	94.9 in
Other specifications
Suspension	Hardtail	Hardtail	Hardtail	Hardtail	Full suspension	Hardtail
Tire width	2″	2.2″	2.2″	2″	2″	2.2″
Travel	Configuration: HardtailFront: Travel: 80 mm	Configuration: HardtailFront: Travel: 80 mm	Configuration: HardtailFront: Travel: 80 mm	Configuration: HardtailFront: Travel: 80 mm	Configuration: Full suspensionFront: Travel: 80 mmRear: Additional specification: Not available: No	Configuration: HardtailFront: Travel: 80 mm
Wheel material	Carbon	Aluminum	Aluminum	Aluminum	Carbon	Carbon