Specialized GROUND CONTROL A1 1996 VS K2 PROFLEX 4000 SE 1998 specs comparison

Specialized Ground Control A1

General Infos

Model	Ground Control A1
Manufacturer	Specialized
Year of production	1996
Current price	Check price Here ==>
Color choice	-White and black
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 1.95 (inches) Specialized Ground Master Front: 26 X 1.95 (inches) Specialized Ground Control II
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Dia-Compe PC-3 Levers Shimano Alivio M-System Brakes
Hubs for disc brakes	Not Available
Rims manufacturer	32-hole Mavic 238
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Double Butted DT Competition Stainless Steel

Frame and Body Specs

Frame materials	Specialized Premium A1 Aluminum
Frame type	Welded Aluminum
Handlebar construction	Alloy
Handlebar extender	Optional
Handlebar stem details	Alloy
Headset size	1 1/8 (inches) Threadless Tange-Seiki Alloy

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-IG51
Bottom bracket shell width	73 (millimeters) English
Bottom bracket type	107 (millimeters) Spindle Shimano BB-LP26
Crankset parts and sizes	22/32/42 Teeth Specialized Son Of Strongarm
Gear shift levers	Grip Shift SRT-600
Rear gear set	11 - 28 Teeth 8-speed

Specialized Ground Control A1 Fork System Data

Derailleur (Front)	Top-pull Shimano STX
Derailleur (Rear)	Shimano STX
Fork material	Triple-clamp Crown Magnesium
Fork type	Rock Shox Quadra 21R

Other Specs of Specialized Ground Control A1

Component group sets	Shimano STX
Pedals details	HTI Steel and resin With Clips & Straps
Rear shock absorber	1.25 (inches) Travel RST and Specialized
Saddle seat	Specialized Prolong Evolution Sport
Seat post extension	30.9 (millimeters) Diameter Alloy Micro-adjust

K2 ProFlex 4000 SE

General Infos

Model	ProFlex 4000 SE
Manufacturer	K2
Year of production	1998
Current price	Check price Here ==>
Color choice	- red -Blue
Sizes	- Large - medium - small - way big

Wheels And Breaking System

Bike front tire	26 X 2.10 (inches) Panaracer Duster II Kevlar
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano Deore XT Levers Shimano Deore XT V-Brake Brakes
Hubs for disc brakes	Shimano Deore LX
Rims manufacturer	32-hole Sun Rims Sub 342
Spoke nipples type	Alloy Nipples
Spoke wheel	1.8 (millimeters) Double-butted DT Stainless Steel

Frame and Body Specs

Frame materials	Double-butted 7000 Aluminum
Frame type	TIG-welded
Handlebar construction	Titec Enduro 141
Handlebar extender	Aluminum
Handlebar stem details	Aluminum
Headset size	1 1/8 (inches) Aheadset

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Sachs PC-51
Bottom bracket shell width	73 (millimeters) English
Bottom bracket type	113 (millimeters) Spindle Shimano BB-UN72
Crankset parts and sizes	22/32/42 Teeth Shimano Deore LX
Gear shift levers	Shimano Deore XT RapidFire SL
Rear gear set	11 - 30 Teeth 8-speed

K2 ProFlex 4000 SE Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 31.8 (millimeters) Shimano Deore LX Top-swing
Derailleur (Rear)	Shimano Deore XT SGS
Fork material	Linkage Crown Aluminum
Fork type	Noleen Cross-Link CS

Other Specs of K2 ProFlex 4000 SE

Component group sets	Shimano Deore XT
Pedals details	K2 Mag C
Rear shock absorber	4.0 (inches) Travel K2 Smart Shock
Saddle seat	Selle Royal
Seat post extension	27.2 (millimeters) Diameter Titec PG