Specialized ROCKHOPPER PRO 29ER 2011 VS Mountain Sport ALU-24 1998 specs comparison

Specialized Rockhopper Pro 29er

General Infos

Model	Rockhopper Pro 29er
Manufacturer	Specialized
Year of production	2011
Current price	Check price Here ==>
Color choice	-Wht and Blk
Sizes	- 15.5 (inches) - 17.5 (inches) - 19 (inches) - 21 (inches) - 23 (inches)
Sizes	- 15.5 (inches) - 17.5 (inches) - 19 (inches) - 21 (inches) - 23 (inches)

Wheels And Breaking System

Bike front tire	29 X 2.0 (inches) Specialized The Captain Control
Bike rear tire	Not Available
Bike wheel size	29 (inches) Wheels
Brakeset type	Avid Juicy 3 SL Levers Avid Juicy 3 SL Brakes
Hubs for disc brakes	Rear: Forged Alloy Mid Flange Front: Forged Alloy Hi and low Flange
Rims manufacturer	32-hole and 36-hole DT Swiss 485
Spoke nipples type	Not Available
Spoke wheel	14ga. Butted Stainless

Frame and Body Specs

Frame materials	Specialized M4SL Alloy
Frame type	TIG-welded
Handlebar construction	Butted Alloy Risebar
Handlebar extender	Optional
Handlebar stem details	3D Forged Alloy
Headset size	1 1/8 (inches) Threadless Campy Spec Integrated Sealed Cartridge Bearing

Gearing Specifications

Bicycle chain	KMC X9
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano BB ES25 Octalink
Crankset parts and sizes	22/32/44 Teeth Shimano FC-M521
Gear shift levers	Shimano SL-M590 Deore Trigger
Rear gear set	11 - 34 Teeth 9-speed

Specialized Rockhopper Pro 29er Fork System Data

Derailleur (Front)	34.9 (millimeters) Clamp Shimano Deore
Derailleur (Rear)	Shimano SLX
Fork material	Single Crown Alloy Steerer
Fork type	RockShox Recon Silver 29 SL

Other Specs of Specialized Rockhopper Pro 29er

Component group sets	Mountain Mix
Pedals details	Alloy
Rear shock absorber	Not Available
Saddle seat	Specialized Rockhopper XC
Seat post extension	30.9 (millimeters) Diameter Two-bolt Alloy Micro-Adjust

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)

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