Specialized ROCKHOPPER A1 FS 1998 VS Trek 69ER SINGLE SPEED 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

Trek 69er Single Speed

General Infos

Model	69er Single Speed
Manufacturer	Trek
Year of production	2009
Current price	Check price Here ==>
Color choice	-Tan and Black
Sizes	- 15.5 (inches) - 17.5 (inches) - 19.5 (inches) - 21.5 (inches)

Wheels And Breaking System

Bike front tire	Rear: 26 X 2.20 (inches) Bontrager XDX 26 (inches) Front: 29 X 2.25 (inches) Bontrager XDX 29 (inches)
Bike rear tire	Not Available
Bike wheel size	Rear: 26 (inches) Wheels Front: 29 (inches)
Brakeset type	Avid Elixir R Front and Avid Elixer R Rear Levers Avid Elixer R With 185 (millimeters) Rotor Front and Avid Elixer R With 160 (millimeters) Rotor Rear Brakes
Hubs for disc brakes	Bontrager Duster
Rims manufacturer	Rear: Bontrager Duster 26 (inches) Front: Bontrager Duster 29 (inches)
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Alpha Red Aluminum
Frame type	TIG-welded
Handlebar construction	Bontrager Race Big Sweep
Handlebar extender	Optional
Handlebar stem details	Bontrager Race X Lite
Headset size	1 1/8 (inches) VP A58ACT-TK

Gearing Specifications

Bicycle chain	Not Available
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	32 Teeth Bontrager Race Lite Single Speed
Gear shift levers	Not Available
Rear gear set	16 Teeth 1-speed

Trek 69er Single Speed Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Single Crown
Fork type	100 (millimeters) Travel Fox F29 PR24

Other Specs of Trek 69er Single Speed

Component group sets	Not Available
Pedals details	Crank Bros Custom Candy C
Rear shock absorber	Not Available
Saddle seat	Bontrager Race Lite
Seat post extension	Bontrager Race Lite