Specialized ROCKHOPPER A1 FS 1998 VS GT LOPES-55 2007 specs comparison

Specialized Rockhopper A1 FS

General Infos

Model	Rockhopper A1 FS
Manufacturer	Specialized
Year of production	1998
Current price	Check price Here ==>
Color choice	- team red -Blue
Sizes	- 13 (inches) - 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches)
Sizes	- 13 (inches) - 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches)

Wheels And Breaking System

Bike front tire	Rear: 26 X 1.90 (inches) Specialized Dirt Master Front: 26 X 1.90 (inches) Specialized Dirt Control
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Dia-Compe DP-7N Levers Dia-Compe VC-757 Brakes
Hubs for disc brakes	Q and R Q and R Rear: Ritchey Aluminum Front: Specialized Aluminum
Rims manufacturer	32-hole Rear: Ritchey Rock OCR Front: Ritchey Rock SCX
Spoke nipples type	Brass Nipples
Spoke wheel	1.8 (millimeters) Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Specialized A1 Premium Plus 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 IG
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	Specialized Sealed Cartridge
Crankset parts and sizes	22/32/42 Teeth Specialized Strong Arm Expert
Gear shift levers	Shimano Rapidfire
Rear gear set	11 - 32 Teeth 8-speed

Specialized Rockhopper A1 FS Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 31.8 (millimeters) Shimano Alivio Top-swing
Derailleur (Rear)	Shimano Deore LX SGS
Fork material	Triple-clamp Crown Aluminum and magnesium
Fork type	Answer Manitou Spyder

Other Specs of Specialized Rockhopper A1 FS

Component group sets	Mountain Mix
Pedals details	Resin
Rear shock absorber	Not Available
Saddle seat	Specialized Prolong Evolution Carbotech
Seat post extension	30.9 (millimeters) Diameter Aluminum Micro-adjust

GT Lopes-55

General Infos

Model	Lopes-55
Manufacturer	GT
Year of production	2007
Current price	Check price Here ==>
Color choice	-White and Black
Sizes	- Small - medium

Wheels And Breaking System

Bike front tire	26 X 2.10 (inches) Kenda Nevegal
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Hayes Levers Hayes El Camino Trail With 6 (inches) Rotor Brakes
Hubs for disc brakes	Sun Dirty Flea
Rims manufacturer	Sun SOS DW
Spoke nipples type	DT Aluminum
Spoke wheel	14/15ga. DT Swiss

Frame and Body Specs

Frame materials	GT Lopes-55 Aluminum
Frame type	TIG-welded
Handlebar construction	Easton EA70 Monkey Bar
Handlebar extender	Optional
Handlebar stem details	Easton Havoc
Headset size	6061 Cups FSA Orbit MX

Gearing Specifications

Bicycle chain	Shimano
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano Saint
Crankset parts and sizes	Shimano Saint
Gear shift levers	Shimano Saint
Rear gear set	9-speed

GT Lopes-55 Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Shimano XTR
Fork material	Single Crown Aluminum and magnesium
Fork type	80 (millimeters) Travel Marzocchi Brian Lopes SE 4X WC

Other Specs of GT Lopes-55

Component group sets	Mountain Mix
Pedals details	Sun Octane
Rear shock absorber	Not Available
Saddle seat	Fi'zi:k Gobi
Seat post extension	Easton Aluminum