Bicycle Archive · Specification report

2010 Specialized Rockhopper Expert 29

Velopedia Archive ID 19231

Overview

Model year	2010
Brand	Specialized
Model	Rockhopper Expert 29
Bicycle type	Mountain bike, front suspension
Archive ID	19231
Colors	Black
Sizes	15", 17", 19", 21", 23"

Frameset

Frame construction	TIG-welded
Frame material	Specialized M4 ORE Aluminum
Fork	RockShox Dart 3 SL 29er, 80mm
Fork material	Magnesium/aluminum, single crown
Rear shock	N/A

Drivetrain

Component group	SRAM X 5 mix
Shifters	SRAM X.5 Trigger
Front derailleur	Shimano Deore
Rear derailleur	SRAM X.5
Crankset	Shimano FC-M442, 22/32/44 teeth
Bottom bracket	Shimano BB-ES25 Octalink, 118mm spindle
BB shell width	68mm
Cassette	Shimano HG-50
Rear cogs	9-speed, 11 - 34 teeth
Chain	KMC X9
Pedals	Alloy

Brakes

Brakes	Tektro Auriga Comp hydraulic, 160mm rotor brakes, Tektro Auriga Comp hydraulic levers

Cockpit & contact points

Headset	1 1/8" Threadless
Handlebar	Alloy Riser
Handlebar extensions	Not included
Stem	3D Forged
Saddle	Specialized XC Body Geometry
Seatpost	Alloy Micro Adjust, 30.9mm diameter

Wheels & tires

Hubs	Forged alloy disc
Rims	Alex RHD, 28-hole/32-hole
Spokes	Stainless, 14ga. (2.0mm)
Front tire	29 x 2.00" Specialized Fast Trak LK Sport
Wheel size	29" wheels

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 5, 2026.