Bicycle Archive · Specification report

2010 Specialized Rockhopper Expert

Velopedia Archive ID 19234

Overview

Model year	2010
Brand	Specialized
Model	Rockhopper Expert
Bicycle type	Mountain bike, front suspension
Archive ID	19234
Colors	Silver/Dark Silver
Sizes	15", 17", 19", 21", 23"

Frameset

Frame construction	TIG-welded
Frame material	Specialized M4 ORE Aluminum
Fork	RockShox Dart 3 SL, 80 - 100mm adjustable travel
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	SR Suntour, 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	26 x 2.00" Specialized Fast Trak LK Sport
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.