ProFlex 657 1997 VS Boulder Bikes STARSHIP (XT) 1998 specs comparison

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)
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

Boulder Bikes Starship (XT)

General Infos

Model	Starship (XT)
Manufacturer	Boulder Bikes
Year of production	1998
Current price	Check price Here ==>
Color choice	- blue - green - red - silver - team flames - white - yellow -Black
Sizes	- Custom - large - medium - small - xsmall

Wheels And Breaking System

Bike front tire	26 X 2.10 (inches) WTB VelociRaptor
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	Rear: Shimano Deore XT Front: Shimano Deore XT Suspension
Rims manufacturer	32-hole Mavic X222
Spoke nipples type	Alloy Nipples
Spoke wheel	1.8 (millimeters) Double-butted Wheelsmith Stainless Steel

Frame and Body Specs

Frame materials	Easton EA60 ProGram Tapered Aluminum
Frame type	TIG-welded
Handlebar construction	Syncros Hardcore
Handlebar extender	Optional
Handlebar stem details	Control Tech
Headset size	1 1/8 (inches) Threadless Aheadset Kontak DL-2

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-IG71
Bottom bracket shell width	68 (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	Shimano Deore XT RapidFire SL
Rear gear set	11 - 30 Teeth 8-speed

Boulder Bikes Starship (XT) Fork System Data

Derailleur (Front)	Top-pull and clamp-on 35.0 (millimeters) Shimano Deore XT Top-swing
Derailleur (Rear)	Shimano Deore XT SGS
Fork material	Triple-clamp Crown Aluminum and magnesium
Fork type	Rock Shox Judy XC

Other Specs of Boulder Bikes Starship (XT)

Component group sets	Shimano Deore XT
Pedals details	Optional
Rear shock absorber	3.0 (inches) Travel Risse Genesis
Saddle seat	Selle San Marco Concor Lite
Seat post extension	31.6 (millimeters) Diameter Control Tech Control Post