Specialized ROCKHOPPER A1 1997 VS Giant BOULDER 1999 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

Giant Boulder

General Infos

Model	Boulder
Manufacturer	Giant
Year of production	1999
Current price	Check price Here ==>
Color choice	- Red -Grey
Sizes	- 14.5 (inches) - 17.5 (inches) - 19.5 (inches) - 21.5 (inches) - 23.5 (inches) - womens 14.5 (inches) - womens 17.5 (inches) - womens 19.5 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.95 (inches) CST
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Alloy Direct Pull Levers Direct Pull With Linear Spring Brakes
Hubs for disc brakes	Q and R Rear: Shimano Altus Cassette Front: Aluminum
Rims manufacturer	Single Wall Alloy
Spoke nipples type	Not Available
Spoke wheel	2.0 (millimeters) Stainless Steel

Frame and Body Specs

Frame materials	Chromoly Main Triangle and hi-tensile Steel Rear Stays
Frame type	TIG-welded
Handlebar construction	30 (millimeters) Rise Steel MTB
Handlebar extender	Not Available
Handlebar stem details	40-degree Rise Steel MTB
Headset size	1 (inches) Steel With Water Seal

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) KMC Z-51
Bottom bracket shell width	Not Available
Bottom bracket type	Adjustable Steel
Crankset parts and sizes	22/32/42 Teeth SR XR17
Gear shift levers	Grip Shift
Rear gear set	11 - 28 Teeth 7-speed

Giant Boulder Fork System Data

Derailleur (Front)	Bottom-pull and bottom Bracket Mount Shimano Tourney
Derailleur (Rear)	Shimano Acera
Fork material	Unicrown Crown Chromoly
Fork type	Giant

Other Specs of Giant Boulder

Component group sets	Mountain Mix
Pedals details	MTB Nylon
Rear shock absorber	Not Available
Saddle seat	Giant MTB Comfort
Seat post extension	250 (millimeters) 27.2 (millimeters) Diameter Alloy