Bicycle Archive · Specification report

2011 Specialized Stumpjumper Expert Carbon 29er

Velopedia Archive ID 21941

Overview

Model year	2011
Brand	Specialized
Model	Stumpjumper Expert Carbon 29er
Bicycle type	Mountain bike, front suspension
Archive ID	21941
Colors	Red/Wht
Sizes	15.5", 17.5", 19", 21"

Frameset

Frame construction	Bonded/monocoque
Frame material	FACT 8M carbon
Fork	RockShox Reba 29, 90mm travel
Fork material	Alloy Steerer, single crown
Rear shock	N/A

Drivetrain

Component group	SRAM Mix
Shifters	SRAM X.9
Front derailleur	SRAM X.7, 34.9mm clamp
Rear derailleur	SRAM X.0
Crankset	SRAM Carbon S-2200, 24/38 teeth
Bottom bracket	SRAM PF-30
Cassette	Shimano HG81
Rear cogs	10-speed, 11 - 36 teeth
Chain	KMC X10
Pedals	Resin Test Ride Pedals

Brakes

Brakes	Avid Elixir CR SL brakes, Avid Elixir CR SL levers

Cockpit & contact points

Headset	1 1/8" - 1 1/2" Campy spec integrated sealed cartridge bearing
Handlebar	Specialized XC flat 31.8mm
Handlebar extensions	Not included
Stem	Specialized XC
Saddle	Specialized BG Phenom Comp
Seatpost	Alloy single bolt setback, 27.2mm diameter

Wheels & tires

Hubs	Specialized Hi Lo disc
Rims	DT Swiss X450SL, 32-hole
Spokes	DT Swiss Competition stainless, 1.8/1.6 double-butted
Front tire	29 x 1.95" S-Works Renegade
Wheel size	29" wheels

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 4, 2026.