Specialized ROCKHOPPER PRO 29ER 2011 VS Trek 8500 2004 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

Trek 8500

General Infos

Model	8500
Manufacturer	Trek
Year of production	2004
Current price	Check price Here ==>
Color choice	-Black
Sizes	- 15.5 (inches) - 17.5 (inches) - 19.5 (inches) - 21.5 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.10 (inches) Bontrager Super X
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano Deore XT M756 Hydraulic Levers Shimano Deore XT M765 Hydraulic Disc Brakes
Hubs for disc brakes	Bontrager Race Disc
Rims manufacturer	24-hole and 28-hole Bontrager Race Disc
Spoke nipples type	Not Available
Spoke wheel	Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Aluminum
Frame type	TIG-welded
Handlebar construction	Bontrager Race Lite
Handlebar extender	Optional
Handlebar stem details	Bontrager Race X Lite
Headset size	1 1/8 (inches) Threadless Aheadset

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches)
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	22/32/44 Teeth Shimano Deore XT
Gear shift levers	Shimano Deore XT RapidFire SL
Rear gear set	11 - 34 Teeth 9-speed

Trek 8500 Fork System Data

Derailleur (Front)	Shimano Deore XT
Derailleur (Rear)	Shimano Deore XT SGS
Fork material	Single Crown Aluminum and magnesium
Fork type	80 (millimeters) Travel Fox Float RL

Other Specs of Trek 8500

Component group sets	Mountain Mix
Pedals details	Shimano PD-M520 SPD
Rear shock absorber	Not Available
Saddle seat	Bontrager FS 2000
Seat post extension	Bontrager Race