Specialized ROCKHOPPER PRO 29ER 2011 VS Marin BEAR VALLEY 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

Marin Bear Valley

General Infos

Model	Bear Valley
Manufacturer	Marin
Year of production	1998
Current price	Check price Here ==>
Color choice	- Powder Blue -Matte Black
Sizes	- 11.5 (inches) - 13.5 (inches) - 15.5 (inches) - 17.5 (inches) - 20.5 (inches) - womens 17.5 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.10 (inches) IRC Mythos XC
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Dia-Compe DP-7 Levers Dia-Compe VC-737 Brakes
Hubs for disc brakes	Shimano STX-RC
Rims manufacturer	32-hole Ritchey Vantage Sport
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge DT Stainless Steel

Frame and Body Specs

Frame materials	Double-butted Tange Chromoly
Frame type	TIG-welded
Handlebar construction	Aluminum
Handlebar extender	Optional
Handlebar stem details	Marin Lite Aluminum
Headset size	1 1/8 (inches) Threadless Dia-Tech Steel

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-IG51
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	110 (millimeters) Spindle Shimano BB-LP26
Crankset parts and sizes	22/32/42 Teeth Shimano STX
Gear shift levers	Shimano STX-RC RapidFire SL
Rear gear set	11 - 28 Teeth 8-speed

Marin Bear Valley Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 28.6 (millimeters) Shimano STX Top-swing
Derailleur (Rear)	Shimano STX-RC
Fork material	Triple-clamp Crown Aluminum and chromoly
Fork type	RST 381S

Other Specs of Marin Bear Valley

Component group sets	Mountain Mix
Pedals details	Aluminum Cage With Clips & Straps
Rear shock absorber	Not Available
Saddle seat	Ritchey Vector
Seat post extension	27.0 (millimeters) Diameter Marin Lite Comp