ProFlex 657 1997 VS Boulder Bikes DEFIANT TI 300 1996 specs comparison

ProFlex 657

General Infos

Model	657
Manufacturer	ProFlex
Year of production	1997
Current price	🛒 View Price →
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 Defiant Ti 300

General Infos

Model	Defiant Ti 300
Manufacturer	Boulder Bikes
Year of production	1996
Current price	🛒 View Price →
Color choice	- polished -Brushed
Sizes	- Custom - large - medium - small

Wheels And Breaking System

Bike front tire	26 X 2.10 (inches) WTB Primal Raptor Kevlar
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano XTR Levers Shimano XTR Brakes
Hubs for disc brakes	Not Available
Rims manufacturer	32-hole Mavic 217 SUP
Spoke nipples type	Alloy Nipples
Spoke wheel	2.0 (millimeters) Double Butted Wheelsmith Stainless Steel

Frame and Body Specs

Frame materials	3Al and 2.5V Titanium
Frame type	Welded Titanium
Handlebar construction	Bontrager Titec 118g
Handlebar extender	Optional
Handlebar stem details	Dean Alloy
Headset size	1 1/8 (inches) Threadless King NoThreadSet

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG90
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	107 (millimeters) Spindle World Class Titanium
Crankset parts and sizes	26/36/48 Teeth Shimano XTR M950-HG
Gear shift levers	Shimano XTR RapidFire SL
Rear gear set	12 - 32 Teeth 8-speed

Boulder Bikes Defiant Ti 300 Fork System Data

Derailleur (Front)	Top-pull and clamp-on 31.8 (millimeters) Shimano XTR
Derailleur (Rear)	Shimano XTR
Fork material	Triple-clamp Crown Aluminum and magnesium
Fork type	Rock Shox Judy SL

Other Specs of Boulder Bikes Defiant Ti 300

Component group sets	Shimano XTR
Pedals details	Optional
Rear shock absorber	3.0 (inches) Travel Risse
Saddle seat	Titanium Rails Selle San Marco Bontrager
Seat post extension	27.2 (millimeters) Diameter Control Tech Control Post