Trek SUPERFLY 2011 VS Specialized ROCKHOPPER A1 FS 1998 specs comparison

Trek Superfly

General Infos

Model	Superfly
Manufacturer	Trek
Year of production	2011
Current price	Check price Here ==>
Color choice	-Matte Crystal Pearl White and Titanite Black
Sizes	- 15.5 (inches) - 17.5 (inches) - 19 (inches) - 21 (inches) - 23 (inches)
Sizes	- 15.5 (inches) - 17.5 (inches) - 19 (inches) - 21 (inches) - 23 (inches)

Wheels And Breaking System

Bike front tire	29 X 2.1 (inches) Bontrager 29-2
Bike rear tire	Not Available
Bike wheel size	29 (inches) Wheels
Brakeset type	Avid Elixir R
Hubs for disc brakes	Bontrager Race Lite FCC Disc 29
Rims manufacturer	28-hole Bontrager Race Lite FCC Disc 29
Spoke nipples type	Not Available
Spoke wheel	Bontrager Race Lite FCC

Frame and Body Specs

Frame materials	Carbon
Frame type	Bonded and monocoque
Handlebar construction	Bontrager Race Lite Big Sweep
Handlebar extender	Optional
Handlebar stem details	Bontrager Race X Lite
Headset size	1 1/2 (inches) Cane Creek IS-2/Z3

Gearing Specifications

Bicycle chain	Not Available
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	22/32/44 Teeth Shimano M552
Gear shift levers	SRAM X.9
Rear gear set	11 - 36 Teeth 10-speed

Trek Superfly Fork System Data

Derailleur (Front)	Direct Mount SRAM X.9
Derailleur (Rear)	SRAM X.9
Fork material	Single
Fork type	100 (millimeters) Travel Fox F29 RLC

Other Specs of Trek Superfly

Component group sets	SRAM X.9
Pedals details	Optional
Rear shock absorber	Not Available
Saddle seat	Bontrager Evoke 2
Seat post extension	27.2 (millimeters) Diameter Bontrager Rhythm Elite

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)

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