Zerobike RED ZONE DH 1996 VS ProFlex 657 1997 specs comparison

Zerobike Red Zone DH

General Infos

Model	Red Zone DH
Manufacturer	Zerobike
Year of production	1996
Current price	Check price Here ==>
Color choice	- yellow and black -White and black
Sizes	- 15.5 (inches) - 18 (inches) - 20.5 (inches) - custom (inches)
Sizes	- 15.5 (inches) - 18 (inches) - 20.5 (inches) - custom (inches)

Wheels And Breaking System

Bike front tire	Rear: 26 X 2.10 (inches) Nokia Fang Front: 26 X 1.90 (inches) Nokia Fang
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano Deore XT Levers Paioli Disc Brakes
Hubs for disc brakes	Not Available
Rims manufacturer	36-hole Bontrager BCX-1
Spoke nipples type	Alloy Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Union Stainless Steel

Frame and Body Specs

Frame materials	Heat-treated 6061 T6 Aluminum
Frame type	Welded Aluminum
Handlebar construction	Titec Enduro HF 175g
Handlebar extender	Optional
Handlebar stem details	Kalloy
Headset size	1 1/8 (inches) Threadless Dia-Compe Kontak Aheadset DL-2

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG90
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 XT
Gear shift levers	Grip Shift SRT-800 X-Ray
Rear gear set	11 - 32 Teeth 8-speed

Zerobike Red Zone DH Fork System Data

Derailleur (Front)	Bottom-pull Shimano Deore XT
Derailleur (Rear)	Shimano Deore XT SGS
Fork material	Triple-clamp Crown Aluminum and chromoly
Fork type	Marzocchi DH3

Other Specs of Zerobike Red Zone DH

Component group sets	Shimano Deore XT
Pedals details	Zerobike
Rear shock absorber	3.0 (inches) Travel ARD Racing Clyde
Saddle seat	In Motion Vector
Seat post extension	27.6 (millimeters) Diameter Shimano SP-M730 Deore XT

ProFlex 657

General Infos

Model	657
Manufacturer	ProFlex
Year of production	1997
Current price	Check price Here ==>
Color choice	-Matte titanium
Sizes	- 14 (inches) - 16 (inches) - 18 (inches) - 20 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.10 (inches) Panaracer Duster II
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Chang Star 274A Levers Chang Star 879AG Brakes
Hubs for disc brakes	Rear: Shimano STX-RC Front: Shimano STX
Rims manufacturer	32-hole Mavic 238
Spoke nipples type	Brass Nipples
Spoke wheel	1.8 (millimeters) Straight Gauge Chung Nan Stainless Steel

Frame and Body Specs

Frame materials	Butted 7000 Aluminum
Frame type	TIG-welded
Handlebar construction	Aluminum
Handlebar extender	Girvin Team Issue
Handlebar stem details	Girvin Forged
Headset size	1 1/8 (inches) Threadless Dia-Compe Kontak Aheadset ST-2

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Sachs SC-40
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	110 (millimeters) Spindle Shimano BB-LP26
Crankset parts and sizes	22/32/42 Teeth Shimano STX-RC
Gear shift levers	Shimano STX-RC RapidFire SL
Rear gear set	11 - 28 Teeth 8-speed

ProFlex 657 Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 31.8 (millimeters) Shimano STX-RC Top-swing
Derailleur (Rear)	Shimano Deore LX SGS
Fork material	Girvin Linkage Crown Aluminum
Fork type	Girvin AL With ODS Coil Over Oil

Other Specs of ProFlex 657

Component group sets	Shimano Deore LX and STX-RC
Pedals details	Wellgo LU-946S
Rear shock absorber	3.5 (inches) Travel Girvin GDT Coil Over Oil
Saddle seat	Selle San Marco Tecno Dynamica
Seat post extension	27.2 (millimeters) Diameter Polygon PM-312