Mountain Sport ALU-24 1998 VS Specialized ROCKHOPPER PRO 2009 specs comparison

Mountain Sport ALU-24

General Infos

Model	ALU-24
Manufacturer	Mountain Sport
Year of production	1998
Current price	Check price Here ==>
Color choice	-Polished
Sizes	- 14 (inches) - 16 (inches) - 18 (inches) - 20 (inches) - 22 (inches)
Sizes	- 14 (inches) - 16 (inches) - 18 (inches) - 20 (inches) - 22 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.95 (inches) Kenda K-850
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Vanguard VG-409PA Levers Vanguard VG-694AVD-N Linear-pull Brakes
Hubs for disc brakes	Joy Tech Big Hub Q and R
Rims manufacturer	36-hole Alesa 119 Aluminum
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Shuhn Lih Stainless Steel

Frame and Body Specs

Frame materials	AL-3000 Aluminum
Frame type	Pulse-welded
Handlebar construction	Hsin Lung Steel
Handlebar extender	Optional
Handlebar stem details	Hsin Lung Steel
Headset size	1 1/8 (inches) YST Steel

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) KMC SS-72
Bottom bracket shell width	73 (millimeters) English
Bottom bracket type	122.5 (millimeters) Spindle Chin Haur
Crankset parts and sizes	24/34/42 Teeth Prowheel HA-322
Gear shift levers	Sachs Power Grip Plus
Rear gear set	12 - 28 Teeth 8-speed

Mountain Sport ALU-24 Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 31.8 (millimeters) Sachs
Derailleur (Rear)	Sachs Traxx
Fork material	Triple-clamp Crown Aluminum and chromoly
Fork type	Polygon SF-125

Other Specs of Mountain Sport ALU-24

Component group sets	Mountain Mix
Pedals details	Wellgo LU-883
Rear shock absorber	Not Available
Saddle seat	Velo MTB
Seat post extension	27.0 (millimeters) Diameter Hsin Lung SP-41

Specialized Rockhopper Pro

General Infos

Model	Rockhopper Pro
Manufacturer	Specialized
Year of production	2009
Current price	Check price Here ==>
Color choice	-Gloss Metallic Orange
Sizes	- 13 (inches) - 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.00 (inches) Specialized Fast Trak LK Control
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Avid Juicy 3 SL Levers Avid Juicy 3 SL With 160 (millimeters) Rotor Brakes
Hubs for disc brakes	Rear: Specialized Disc Front: Specialized Hi Lo Disc
Rims manufacturer	28-hole and 32-hole DT Swiss 445D
Spoke nipples type	Not Available
Spoke wheel	15ga. Stainless Steel

Frame and Body Specs

Frame materials	Specialized M4 ORE Aluminum
Frame type	TIG-welded
Handlebar construction	Specialized Low Riser
Handlebar extender	Optional
Handlebar stem details	Specialized 3D
Headset size	1 1/8 (inches) Threadless

Gearing Specifications

Bicycle chain	KMC X9 SL
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	118 (millimeters) Spindle Shimano BB-ES25
Crankset parts and sizes	22/32/44 Teeth Shimano Deore
Gear shift levers	SRAM X.5 Trigger
Rear gear set	11 - 34 Teeth 9-speed

Specialized Rockhopper Pro Fork System Data

Derailleur (Front)	Shimano Deore
Derailleur (Rear)	SRAM X.7
Fork material	Single Crown Alloy
Fork type	100 (millimeters) Travel RockShox Recon SLite

Other Specs of Specialized Rockhopper Pro

Component group sets	SRAM Mix
Pedals details	Alloy Cage
Rear shock absorber	Not Available
Saddle seat	Specialized BG Indie XC
Seat post extension	30.9 (millimeters) Diameter Specialized Alloy Two Bolt