Specialized ROCKHOPPER A1 1997 VS Trek 830 1993 specs comparison

Specialized Rockhopper A1

General Infos

Model	Rockhopper A1
Manufacturer	Specialized
Year of production	1997
Current price	Check price Here ==>
Color choice	- red -Blue
Sizes	- 13.5 (inches) - 15.5 (inches) - 17 (inches) - 18 (inches) - 19 (inches) - 20.5 (inches)
Sizes	- 13.5 (inches) - 15.5 (inches) - 17 (inches) - 18 (inches) - 19 (inches) - 20.5 (inches)

Wheels And Breaking System

Bike front tire	Rear: 26 X 1.90 (inches) Specialized Team Master Front: 26 X 2.00 (inches) Specialized Team Control
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Dia-Compe DP-7 Levers Dia-Compe Direct Pull Brakes
Hubs for disc brakes	Q and R Rear: Shimano Cassette Front: SBC Aluminum Quick Release
Rims manufacturer	32-hole Ritchey Rock SCX
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	SBC A1 Premium Aluminum
Frame type	TIG-welded
Handlebar construction	SBC Aluminum
Handlebar extender	Optional
Handlebar stem details	SBC Aluminum
Headset size	1 1/8 (inches) Threadless Tange

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	SBC Sealed Cartridge
Crankset parts and sizes	22/32/42 Teeth SBC Son Of Strongarm
Gear shift levers	Grip Shift SRT-400i
Rear gear set	11 - 30 Teeth 7-speed

Specialized Rockhopper A1 Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 35.0 (millimeters) Shimano Alivio Top-swing
Derailleur (Rear)	Shimano STX
Fork material	Unicrown Crown SBC DirectDrive Chromoly
Fork type	SBC

Other Specs of Specialized Rockhopper A1

Component group sets	Not Available
Pedals details	Resin Body With Clips & Straps Aluminum Cage
Rear shock absorber	Not Available
Saddle seat	Specialized Prolong Evolution Carbotech
Seat post extension	30.9 (millimeters) Diameter Aluminum Micro-adjust

Trek 830

General Infos

Model	830
Manufacturer	Trek
Year of production	1993
Current price	Check price Here ==>
Color choice	-Not found
Sizes	- 14.5 - 16.5 - 18 - 20 - 22

Wheels And Breaking System

Bike front tire	26 X 2.00 (inches) Trek Cliffclimber
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Levers Shimano Altus A20 Brakes
Hubs for disc brakes	Shimano Altus QR
Rims manufacturer	36-hole Araya VP-20
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Tange DB Chrome-moly
Frame type	TIG-welded Steel
Handlebar construction	22 (inches) MTB110 Steel
Handlebar extender	Not Available
Handlebar stem details	TIG CroMo
Headset size	Not Available

Gearing Specifications

Bicycle chain	Shimano CN-HG50
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	28/38/48 Teeth Shimano Altus A20
Gear shift levers	Shimano Altus A20 Rapidfire Plus
Rear gear set	12 - 28 Teeth 7-speed

Trek 830 Fork System Data

Derailleur (Front)	Shimano Altus A10
Derailleur (Rear)	Shimano Altus A20
Fork material	Not Available
Fork type	Trek Cruise Control III Chrome-moly

Other Specs of Trek 830

Component group sets	Shimano Altus A20 Rapidfire Plus
Pedals details	HTI P48S
Rear shock absorber	Not Available
Saddle seat	Trek System 1 Gel Lite With Astrale
Seat post extension	Kalloy Micro-adjust Aluminum Alloy