Specialized HARDROCK A1 PRO FS 2002 VS Wheeler 3900ZX 1998 specs comparison

Specialized Hardrock A1 Pro FS

General Infos

Model	Hardrock A1 Pro FS
Manufacturer	Specialized
Year of production	2002
Current price	Check price Here ==>
Color choice	-Black
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	26 X 2.10 (inches) Specialized Rockster Sport
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Aluminum Linear-pull Levers Specialized Linear-pull Brakes
Hubs for disc brakes	Q and R Rear: Shimano RM-40 Front: Formula Aluminum
Rims manufacturer	32-hole Alex DM-20
Spoke nipples type	Brass Nipples
Spoke wheel	14ga. Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Specialized A1 Aluminum
Frame type	TIG-welded
Handlebar construction	Specialized Aluminum
Handlebar extender	Optional
Handlebar stem details	Specialized Aluminum
Headset size	1 1/8 (inches) Ritchey Logic

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-IG31
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	110 (millimeters) Spindle Shimano BB-LP28
Crankset parts and sizes	22/32/42 Teeth Specialized Forearm Comp
Gear shift levers	Shimano Alivio RapidFire Plus
Rear gear set	11 - 30 Teeth 8-speed

Specialized Hardrock A1 Pro FS Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 35.0 (millimeters) Shimano Alivio
Derailleur (Rear)	Shimano Deore SGS
Fork material	Triple-clamp Crown Aluminum
Fork type	Rock Shox Judy TT

Other Specs of Specialized Hardrock A1 Pro FS

Component group sets	Mountain Mix
Pedals details	Specialized Twin Sided Toe Clip
Rear shock absorber	Not Available
Saddle seat	Specialized Body Geometry Sport
Seat post extension	30.9 (millimeters) Diameter Aluminum

Wheeler 3900ZX

General Infos

Model	3900ZX
Manufacturer	Wheeler
Year of production	1998
Current price	Check price Here ==>
Color choice	-Bombastic
Sizes	- 16 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.95 (inches) IRC Mythos XC
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano STX-RC Levers Shimano STX-RC M-System Brakes
Hubs for disc brakes	Rear: Shimano Alivio Front: Shimano Altus
Rims manufacturer	36-hole Aluminum
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	7005 aluminum c
Frame type	TIG-welded
Handlebar construction	Aluminum
Handlebar extender	Optional
Handlebar stem details	HOT Components Aluminum
Headset size	1 1/8 (inches) Threadless Aheadset

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches)
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	24/34/42 Teeth Shimano Alivio
Gear shift levers	Shimano STX-RC RapidFire SL
Rear gear set	11 - 28 Teeth 7-speed

Wheeler 3900ZX Fork System Data

Derailleur (Front)	Top-pull Shimano Alivio Top-swing
Derailleur (Rear)	Shimano STX
Fork material	Triple-clamp Crown Aluminum
Fork type	Marzocchi Zokes Pro

Other Specs of Wheeler 3900ZX

Component group sets	Mountain Mix
Pedals details	Aluminum
Rear shock absorber	Not Available
Saddle seat	Wheeler
Seat post extension	Alutrax Aluminum