Specialized Stumpjumper FSR Expert Carbon 29

2012 MountainTrail Manufacturer page

Travel: 130 / 130 mm Fork / rear shock
Wheels: 29″
Drivetrain: 2 × 10 22–36t / 11–36t
Gear range: 536%
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

21 of 24 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 IS 9m carbon front triangle, 29"" geometry, M5 alloy rear triangle, tapered HT, carbon PF30 BB, ISCG ’05, internal Command Post routing, 142mm dropouts, sealed cartridge bearing pivots, replaceable derailleur hanger, 130mm travel Not identified

Suspension

2 parts

Fork
- Fox
Rear shock
- Fox

Drivetrain

7 parts

Bottom bracket
- SRAM PressFit 30
Cassette
- SRAM PG-1050 10 speeds 11–36t
PG-1050
Chain
- KMC X10 10 speeds
X-10
Crankset
- SRAM RED Crankset 10-Speed 10 speeds
S-2200
Front derailleur
- SRAM X7
Rear derailleur
- SRAM X0
Shifters
- SRAM X9

Brakes

2 parts

Brake levers
- Formula
Brakes
- SRAM

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 bearing for tapered integrated HT, cartridge bearings Not identified
Pedals

Resin Test Ride Pedals with 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 427mm

Stack 614mm

Wheelbase 1147mm

Head angle 69.0°

Seat angle 74.5°

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	399	427	445	466
Stackmm	605	614	638	656
Top tube lengthmm	567	596	622	648
Seat tube lengthmm	396	430	468	523
Head tube lengthmm	90	100	125	145
Head tube angle	69°	69°	69°	69°
Seat tube angle	74.5°	74.5°	74.5°	74.5°
Chainstay lengthmm	450	450	450	450
Wheelbasemm	1117	1147	1175	1203
Front centermm	669	699	727	755
Bottom bracket dropmm	34	34	34	34
Bottom bracket heightmm	338	338	338	338
Standover heightmm	750	741	750	764
Fork rakemm	47	45	46	46
Trailmm	93	96	94	94
Stack/reach ratio	1.52	1.44	1.43	1.41
Suspension and parts
Crank lengthmm	170	175	175	175
Handlebar widthmm	720	720	720	720
Stem lengthmm	60	75	90	90
Seatpost lengthmm	380	425	425	425

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

Specifications

Frame and fork

Intended fit: Unisex
Frame material: Carbon

Suspension

Suspension configuration: Full suspension
Front travel: 130 mm
Rear travel: 130 mm

Drivetrain

Derived by Bikelake

Front chainrings: 2
Smallest chainring: 22
Largest chainring: 36
Rear sprockets: 10
Smallest sprocket: 11
Largest sprocket: 36
Lowest gear: 17.7 in
Highest gear: 94.9 in

Wheels and brakes

Wheel configuration: Same size
Brake type: Hydraulic disc

Fit and controls

Seatpost: Dropper seatpost
Shifting: Mechanical

Additional specifications

Bottom bracket standard: PF30
Fork spring: Air
Tire width: 2.2″
Wheel material: Aluminum
Wheel size: 29″

Technical analysis

4 measures

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

Front travel

130 mm

This value is within the central range for this class.

Cohort: Mountain / Trail Model year: 2012
Sample: 88 bicycles with this information
Coverage: 98.8% of the class

Rear travel

130 mm

This value is within the central range for this class.

Cohort: Mountain / Trail Model year: 2012
Sample: 70 bicycles with this information
Coverage: 78.6% of the class

Lowest gear

17.7 gear inches

This value is within the central range for this class.

Cohort: Mountain / Trail Model year: 2012
Sample: 78 bicycles with this information
Coverage: 87.6% of the class

Highest gear

94.9 gear inches

This value is within the central range for this class.

Cohort: Mountain / Trail Model year: 2012
Sample: 78 bicycles with this information
Coverage: 87.6% of the class

Gearing

Estimated speeds at 80 rpm

Lowest gear: 6.8 km/h
Highest gear: 36.4 km/h

Total gear range 536%

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: 17.7–94.9 gear inches
Class reference (p10–p90): 15.9–104.0 gear inches; The band runs from p10 for the lowest gear to p90 for the highest gear.

Cohort: Mountain / Trail Model year: 2012
Lowest gear: 78 bicycles with this information, 87.6% of the class
Highest gear: 78 bicycles with this information, 87.6% 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 2012 builds

Differences across 2012 builds
Specification	This bicycle Specialized Stumpjumper FSR Expert Carbon 29	Specialized Stumpjumper Comp	Specialized Stumpjumper Comp 29	Specialized Stumpjumper Comp Carbon	Specialized Stumpjumper Comp Carbon 29	Specialized Stumpjumper Expert Carbon 29
Frame
Frame material	Carbon	Aluminum	Aluminum	Carbon	Carbon	Carbon
Fork material	Not informed	Aluminum	Aluminum	Aluminum	Aluminum	Aluminum
Suspension
Suspension configuration	Full suspension	Hardtail	Hardtail	Hardtail	Hardtail	Hardtail
Front travel	130 mm	90 mm	80 mm	90 mm	80 mm	90 mm
Rear travel	130 mm	Not informed	Not informed	Not informed	Not informed	Not informed
Drivetrain
Smallest chainring	22	24	24	24	24	24
Largest chainring	36	38	38	38	38	38
Lowest gear	17.7 in	17.3 in	19.3 in	17.3 in	19.3 in	19.3 in
Highest gear	94.9 in	89.8 in	100.2 in	89.8 in	100.2 in	100.2 in
Cockpit
Seatpost	Dropper seatpost	Rigid seatpost	Rigid seatpost	Rigid seatpost	Rigid seatpost	Rigid seatpost
Other specifications
Suspension	Full suspension	Hardtail	Hardtail	Hardtail	Hardtail	Hardtail
Tire width	2.2″	2″	1.95″	2″	1.95″	1.95″
Wheel size	29″	26″	29″	26″	29″	29″