Jamis DAKAR XCT 4 2011 VS ProFlex 657 1997 specs comparison

Jamis Dakar XCT 4

General Infos

Model	Dakar XCT 4
Manufacturer	Jamis
Year of production	2011
Current price	Check price Here ==>
Color choice	-Pearl white and carbon
Sizes	- 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches)
Sizes	- 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches)

Wheels And Breaking System

Bike front tire	Rear: 26 X 2.2'' Geax Gato Front: 26 X 2.3 (inches) Geax Gato
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Avid XO Hydraulic Disc Levers Avid XO Hydraulic Disc Brakes
Hubs for disc brakes	Rear: AC225 Front: AC130
Rims manufacturer	American Classic All Mountain Disc
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Full High Modulus Carbon
Frame type	Carbon
Handlebar construction	Ritchey Pro Riser
Handlebar extender	Optional
Handlebar stem details	Ritchey Pro 4-Axis
Headset size	FSA Orbit 1.5 ZS

Gearing Specifications

Bicycle chain	KMC X10SL
Bottom bracket shell width	Not Available
Bottom bracket type	Sram BB30
Crankset parts and sizes	39/26t Teeth SRAM X.0 BB30
Gear shift levers	SRAM X.0 Trigger
Rear gear set	12 - 36 Teeth 10-speed

Jamis Dakar XCT 4 Fork System Data

Derailleur (Front)	34.9 (millimeters) Top Pull SRAM X.0
Derailleur (Rear)	SRAM X.0 Mid Cage
Fork material	Not Available
Fork type	100-120-140 (millimeters) Adjustable Travel Fox 32 Talas RLC

Other Specs of Jamis Dakar XCT 4

Component group sets	Mountain Mix
Pedals details	Not Available
Rear shock absorber	130 (millimeters) Travel Fox Float RP23 BV
Saddle seat	WTB Vigo Team Carbon
Seat post extension	31.6 (millimeters) Diameter Crank Brothers Joplin 4R

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