Bicycle Archive · Specification report

2011 Specialized Stumpjumper Comp

Velopedia Archive ID 21945

Overview

Model year	2011
Brand	Specialized
Model	Stumpjumper Comp
Bicycle type	Mountain bike, front suspension
Archive ID	21945
Colors	Brush/Blk
Sizes	15.5", 17.5", 19", 21"

Frameset

Frame construction	TIG-welded
Frame material	M5 aluminum
Fork	RockShox Reba RLT, 90mm travel
Fork material	Alloy Steerer, single crown
Rear shock	N/A

Drivetrain

Component group	SRAM Mix
Shifters	SRAM X.7
Front derailleur	SRAM X.7, 34.9mm clamp
Rear derailleur	SRAM X.9
Crankset	SRAM alloy S-1250, 22/33/44 teeth
Bottom bracket	SRAM GXP
Cassette	Shimano HG81
Rear cogs	10-speed, 11 - 36 teeth
Chain	KMC X10
Pedals	Resin Test Ride Pedals

Brakes

Brakes	Avid Elixir R SL brakes, Avid Elixir R SL levers

Cockpit & contact points

Headset	1 1/8" threadless 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, 30.9mm diameter

Wheels & tires

Hubs	Specialized Hi Lo disc
Rims	DT Swiss X420SL, 28-hole/32-hole
Spokes	DT Swiss Champion stainless, 15ga. (1.8mm) butted
Front tire	Front: 26 x 2.0" S-Works The Captain, Rear: 26 x 2.0" S-Works Fast Trak LK
Wheel size	26" wheels

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