Specialized ROCKHOPPER A1 FS 1998 VS Scott VOLTAGE YZ 25 2009 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

Scott Voltage YZ 25

General Infos

Model	Voltage YZ 25
Manufacturer	Scott
Year of production	2009
Current price	Check price Here ==>
Color choice	-Black and Gold and White
Sizes	- Xsmall - small - medium - large - xlarge

Wheels And Breaking System

Bike front tire	26 X 2.10 (inches) Scott Voltage
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano ST-EF50 Levers Shimano BR-M416 Mechanical With 160 (millimeters) Rotor Brakes
Hubs for disc brakes	Rear: Shimano FH-RM65 Front: Formula CL-51-ACT
Rims manufacturer	32-hole Alesa Rigida ZAC 19
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	6061 Alloy c
Frame type	TIG-welded
Handlebar construction	HL MTB 153 Steel
Handlebar extender	Optional
Handlebar stem details	Scott Voltage
Headset size	1 1/8 (inches) Threadless Ritchey LB Plus

Gearing Specifications

Bicycle chain	Shimano HG40
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	123 (millimeters) Spindle Shimano BB-UN26
Crankset parts and sizes	22/32/42 Teeth Shimano FC-M191
Gear shift levers	Shimano ST-EF50
Rear gear set	11 - 30 Teeth 8-speed

Scott Voltage YZ 25 Fork System Data

Derailleur (Front)	Clamp On 31.8 (millimeters) Shimano FD-TY10
Derailleur (Rear)	Shimano Acera
Fork material	Single
Fork type	100 (millimeters) Travel Suntour XCM

Other Specs of Scott Voltage YZ 25

Component group sets	Mountain Mix
Pedals details	Xerma SP-102
Rear shock absorber	Not Available
Saddle seat	Scott Voltage DJ
Seat post extension	26.8 (millimeters) Diameter Scott SP-214