Trek 830 AL 1999 VS Specialized ROCKHOPPER PRO 2003 specs comparison

Trek 830 AL

General Infos

Model	830 AL
Manufacturer	Trek
Year of production	1999
Current price	Check price Here ==>
Color choice	- Metal Flake Green -Dragonfly Orange
Sizes	- 13.5 (inches) - 16.5 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches) - 24 (inches)
Sizes	- 13.5 (inches) - 16.5 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches) - 24 (inches)

Wheels And Breaking System

Bike front tire	Rear: 26 X 1.90 (inches) Bontrager Jones Front: 26 X 2.10 (inches) Bontrager Jones
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Lee Chi LV77E Levers Lee Chi ProMax MV-33 Linear-pull Brakes
Hubs for disc brakes	Rear: Kung Ten W5ER Front: Kung Ten W55F
Rims manufacturer	32-hole Weinmann 519
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	7005 aluminum c
Frame type	TIG-welded
Handlebar construction	ICON 6061
Handlebar extender	Optional
Handlebar stem details	Alloy Ahead Type
Headset size	1 1/8 (inches) Threadless Aheadset SE-1

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) KAZ LR900
Bottom bracket shell width	73 (millimeters) English
Bottom bracket type	121 (millimeters) Spindle Shimano BB-CT92E
Crankset parts and sizes	24/34/42 Teeth Shimano Altus
Gear shift levers	SRAM ESP 5.0
Rear gear set	11 - 30 Teeth 8-speed

Trek 830 AL Fork System Data

Derailleur (Front)	Top-pull and bottom Bracket Mount Shimano Altus
Derailleur (Rear)	SRAM ESP 5.0
Fork material	Triple-clamp Crown Aluminum and chromoly
Fork type	2.6 (inches) Travel RST 281

Other Specs of Trek 830 AL

Component group sets	Mountain Mix
Pedals details	Alloy With Alloy Cage
Rear shock absorber	Not Available
Saddle seat	Velo
Seat post extension	27.2 (millimeters) Diameter Aluminum Micro-adjust

Specialized Rockhopper Pro

General Infos

Model	Rockhopper Pro
Manufacturer	Specialized
Year of production	2003
Current price	Check price Here ==>
Color choice	-Not found
Sizes	- Not available

Wheels And Breaking System

Bike front tire	26 X 2.00 (inches) Specialized Roll-X
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Avid AD 3 Levers Avid Single Digit 3-R Brakes
Hubs for disc brakes	Rear: Shimano HB-M525 Front: Specialized Stout
Rims manufacturer	32-hole Mavic X221
Spoke nipples type	Brass Nipples
Spoke wheel	15ga. Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Specialized A1 Aluminum
Frame type	TIG-welded
Handlebar construction	Specialized Aluminum
Handlebar extender	Optional
Handlebar stem details	Specialized Aluminum
Headset size	1 1/8 (inches) Threadless Ritchey Logic

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG73
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	113 (millimeters) Spindle Shimano BB-ES30
Crankset parts and sizes	22/32/44 Teeth Specialized Forearm II
Gear shift levers	Shimano Deore RapidFire SL
Rear gear set	11 - 32 Teeth 9-speed

Specialized Rockhopper Pro Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 34.9 (millimeters) Shimano Deore
Derailleur (Rear)	Shimano Deore LX SGS
Fork material	Single Crown Aluminum and magnesium
Fork type	80 (millimeters) Travel Answer Manitou Axel Super

Other Specs of Specialized Rockhopper Pro

Component group sets	Mountain Mix
Pedals details	Shimano PD-M505 SPD
Rear shock absorber	Not Available
Saddle seat	Specialized Body Geometry Pro
Seat post extension	30.9 (millimeters) Diameter Aluminum