Specialized ROCKHOPPER 2011 VS Trek PRO XC 9.9 1999 specs comparison

Specialized Rockhopper

General Infos

Model	Rockhopper
Manufacturer	Specialized
Year of production	2011
Current price	Check price Here ==>
Color choice	- Wht and Red -Blk and Brn
Sizes	- 13 (inches) - 15.5 (inches) - 17.5 (inches) - 19 (inches) - 21 (inches) - 23 (inches)
Sizes	- 13 (inches) - 15.5 (inches) - 17.5 (inches) - 19 (inches) - 21 (inches) - 23 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.0 (inches) Specialized The Captain Sport
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Alloy Levers Avid BB5 Mechanical Disc Brakes
Hubs for disc brakes	Rear: Forged Alloy Front: Forged Alloy Hi and low Flange
Rims manufacturer	28-hole and 32-hole Alex RHD 26 (inches)
Spoke nipples type	Not Available
Spoke wheel	14ga. Butted Stainless

Frame and Body Specs

Frame materials	Specialized M4 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

Gearing Specifications

Bicycle chain	KMC X8
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano BB ES25 Octalink
Crankset parts and sizes	22/32/42 Teeth SR Suntour
Gear shift levers	SRAM X.4
Rear gear set	11 - 32 Teeth 8-speed

Specialized Rockhopper Fork System Data

Derailleur (Front)	34.9 (millimeters) Clamp Shimano Atlus
Derailleur (Rear)	SRAM X.5
Fork material	Single Crown Alloy Steerer
Fork type	SR Suntour SF11

Other Specs of Specialized Rockhopper

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

Trek Pro XC 9.9

General Infos

Model	Pro XC 9.9
Manufacturer	Trek
Year of production	1999
Current price	Check price Here ==>
Color choice	-VW Team Colors
Sizes	- Small - Medium - Large - Extra large

Wheels And Breaking System

Bike front tire	Rear: 26 X 1.90 (inches) Bontrager Revolt ST-2 Kevlar Front: 26 X 2.10 (inches) Bontrager Revolt ST-2 Kevlar
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano XTR Levers Shimano XTR V-Brake Brakes
Hubs for disc brakes	Rolf
Rims manufacturer	20-hole and 24-hole Rolf Propel XC
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Double-butted DT Stainless Steel

Frame and Body Specs

Frame materials	OCLV Carbon Fiber
Frame type	Bonded
Handlebar construction	Carbon ICON Crushed Velvet
Handlebar extender	ICON Carbon
Handlebar stem details	ICON
Headset size	1 1/8 (inches) Threadless WTB Momentum Grease Guard

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-7700
Bottom bracket shell width	73 (millimeters) English
Bottom bracket type	116 (millimeters) Spindle Shimano BB-M952
Crankset parts and sizes	24/34/46 Teeth Shimano XTR M952
Gear shift levers	Shimano XTR RapidFire SL
Rear gear set	12 - 34 Teeth 9-speed

Trek Pro XC 9.9 Fork System Data

Derailleur (Front)	Top-pull and bottom Bracket Mount Shimano XTR
Derailleur (Rear)	Shimano XTR
Fork material	Triple-clamp Crown Aluminum and magnesium
Fork type	2.5 (inches) Travel Rock Shox Sid SL

Other Specs of Trek Pro XC 9.9

Component group sets	Shimano XTR
Pedals details	Time ATAC Carbon
Rear shock absorber	Not Available
Saddle seat	Bontrager FS Race Lite
Seat post extension	31.6 (millimeters) Diameter ICON OZ