ProFlex 657 1997 VS Jamis DAKAR SIXFIFTY B1 2011 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

Jamis Dakar Sixfifty B1

General Infos

Model	Dakar Sixfifty B1
Manufacturer	Jamis
Year of production	2011
Current price	Check price Here ==>
Color choice	-Ano victory blue
Sizes	- 13 (inches) - 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches)

Wheels And Breaking System

Bike front tire	650B X 2.2 (inches) WTB Wolverine Comp
Bike rear tire	Not Available
Bike wheel size	650bc Wheels
Brakeset type	Avid Elixir 3 Levers Avid Elixir 3 Hydraulic Disc Brakes
Hubs for disc brakes	Rear: Formula 6-bolt Disc Front: Formula 20MM
Rims manufacturer	32-hole WTB LaserDisc Trail 650B
Spoke nipples type	Not Available
Spoke wheel	DT Champion

Frame and Body Specs

Frame materials	Kinesium Alloy
Frame type	Alloy
Handlebar construction	Ritchey Comp Riser
Handlebar extender	Optional
Handlebar stem details	Ritchey Comp OS
Headset size	FSA Orbit 1.5 ZS

Gearing Specifications

Bicycle chain	KMC DX10SC
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano Integrated
Crankset parts and sizes	42/32/24t Teeth Shimano M552 Hollowtech
Gear shift levers	Shimano SLX M660 Rapidfire
Rear gear set	11 - 34 Teeth 10-speed

Jamis Dakar Sixfifty B1 Fork System Data

Derailleur (Front)	34.9 (millimeters) Top Pull Shimano SLX M661
Derailleur (Rear)	Shimano SLX M663
Fork material	Not Available
Fork type	White Brothers Loop

Other Specs of Jamis Dakar Sixfifty B1

Component group sets	Mountain Mix
Pedals details	Not Available
Rear shock absorber	RockShox Monarch R
Saddle seat	WTB Vigo Sport
Seat post extension	31.6 (millimeters) Diameter Ritchey Comp 2 Bolt