Specialized Stumpjumper FSR Expert Carbon 6Fattie

Name: Specialized Stumpjumper FSR Expert Carbon 6Fattie
Brand: Specialized

2017 MountainEnduro Manufacturer page

Fork travel: 150 mm
Wheels: 27.5″
Drivetrain: 1 × 11 28t / 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

16 of 21 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 9m, carbon front chassis, M5 alloy rear end, Trail Geometry, SWAT™ Door integration, PF30 BB, fully enclosed internal cable routing, ManFu link, 12x148mm dropouts, sealed cartridge bearing pivots, replaceable derailleur hanger, 135mm of travel Not identified

Suspension

2 parts

Drivetrain

6 parts

Bottom bracket

PF30, press-fit Not identified
Cassette
- SRAM XG-1150 FULL PIN 11 speeds 10–42t
XG-1150
Chain
- SRAM PC-1110 11 speeds
PC-1110
Crankset
- Race Face Aeffect 28t
Rear derailleur
- SRAM X1
Shifters
- SRAM GX 11-speed X-ACTUATION Trigger 11 speeds

Brakes

1 part

Brakes
- SRAM Guide R

Wheels and tires

5 parts

Front hub
- Roval
Rear hub
- Roval
Rims
- Roval
Spokes
- DT Swiss REVOLUTION
Tires

Front: Purgatory, GRID casing, 60 TPI, Aramid folding bead, 2Bliss Ready, 650b x 3.0"", Rear: Purgatory, GRID casing, 60 TPI, Aramid folding bead, 2Bliss Ready, 650b x 3.0"" Not identified

Cockpit and contact points

6 parts

Grips
- Specialized
Handlebar
- Specialized
Pedals

Resin Test Ride w/toe clips Not identified
Saddle
- Ritchey Comp
Seatpost

Command Post IRcc, 12-position micro-height adjustable, alien head design, bottom mount cable routing, remote SRL lever, 30.9mm, S: 100mm, M/L/XL: 125mm of travel Not identified
Stem
- Specialized

Sizes and geometry

4 sizes Open in the geometry plotter

Enter your height to highlight matching ranges.

Size MD

Table

Reach 413mm

Stack 618mm

Wheelbase 1149mm

Head angle 67.0°

Seat angle 74.0°

Every size is drawn to the same scale, in millimeters. Explanatory schematic on an assumed 27.5″ 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	386	413	431	457
Stackmm	618	618	646	664
Top tube lengthmm	563	590	616	648
Seat tube lengthmm	396	430	468	523
Head tube lengthmm	95	95	125	145
Head tube angle	67°	67°	67°	67°
Seat tube angle	74°	74°	74°	74°
Chainstay lengthmm	437	437	437	437
Wheelbasemm	1122	1149	1179	1212
Front centermm	687	714	744	777
Bottom bracket dropmm	33	33	33	33
Bottom bracket heightmm	325	325	325	325
Standover heightmm	754	761	770	777
Fork rakemm	51	51	51	51
Trailmm	96.5	96.5	96.5	96.5
Stack/reach ratio	1.60	1.50	1.50	1.45
Suspension and parts
Crank lengthmm	170	175	175	175
Handlebar widthmm	750	750	750	750
Stem lengthmm	45	60	60	60
Seatpost lengthmm	390	430	430	430

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: 150 mm

Drivetrain

Derived by Bikelake

Front chainrings: 1
Smallest chainring: 28
Largest chainring: 28
Rear sprockets: 11
Smallest sprocket: 10
Largest sprocket: 42
Lowest gear: 18.3 in
Highest gear: 77.0 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: 3″
Wheel material: Aluminum
Wheel size: 27.5″

Technical analysis

3 measures

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

Front travel

150 mm

This value is within the central range for this class.

Cohort: Mountain / Enduro Model year: 2017
Sample: 145 bicycles with this information
Coverage: 92.9% of the class

Lowest gear

18.3 gear inches

This value is within the central range for this class.

Cohort: Mountain / Enduro Model year: 2017
Sample: 143 bicycles with this information
Coverage: 91.6% of the class

Highest gear

77.0 gear inches

This value is below the central range for this class.

Cohort: Mountain / Enduro Model year: 2017
Sample: 143 bicycles with this information
Coverage: 91.6% of the class

Gearing

Estimated speeds at 80 rpm

Lowest gear: 7.0 km/h
Highest gear: 29.5 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: 18.3–77.0 gear inches
Class reference (p10–p90): 16.5–90.0 gear inches; The band runs from p10 for the lowest gear to p90 for the highest gear.

Cohort: Mountain / Enduro Model year: 2017
Lowest gear: 143 bicycles with this information, 91.6% of the class
Highest gear: 143 bicycles with this information, 91.6% 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 2017 builds

Differences across 2017 builds
Specification	This bicycle Specialized Stumpjumper FSR Expert Carbon 6Fattie	Specialized Stumpjumper FSR Comp 6Fattie	Specialized Stumpjumper FSR Comp Carbon 6Fattie	Specialized Stumpjumper FSR Pro Carbon 6Fattie	Specialized S-Works Stumpjumper FSR 6Fattie
Frame
Frame material	Carbon	Aluminum	Carbon	Carbon	Carbon
Drivetrain
Smallest chainring	28	28	28	30	30
Largest chainring	28	28	28	30	30
Rear sprockets	11	11	11	12	12
Largest sprocket	42	42	42	50	50
Lowest gear	18.3 in	18.3 in	18.3 in	16.5 in	16.5 in
Highest gear	77.0 in	77.0 in	77.0 in	82.5 in	82.5 in
Other specifications
Wheel material	Aluminum	Aluminum	Aluminum	Aluminum	Carbon