Rotec PRO DOWNHILL 2000 VS ProFlex 657 1997 specs comparison

Rotec Pro Downhill

General Infos

Model	Pro Downhill
Manufacturer	Rotec
Year of production	2000
Current price	Check price Here ==>
Color choice	-Victory White
Sizes	- 18 (inches) - 20 (inches)
Sizes	- 18 (inches) - 20 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.25 (inches) Michelin Wild Gripper DH
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Magura Gustav M Levers Magura Gustav M Disc Brakes
Hubs for disc brakes	Adventure Components Air Cooler
Rims manufacturer	32-hole Sun Double Wide
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge DT Stainless Steel

Frame and Body Specs

Frame materials	6061 T6 Aluminum
Frame type	TIG-welded
Handlebar construction	Renthal
Handlebar extender	Optional
Handlebar stem details	Rotec Moto-Mount
Headset size	1 1/8 (inches) Threadless Chris King NoThreadSet

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-7700
Bottom bracket shell width	Rotec Custom
Bottom bracket type	122 (millimeters) Spindle Rotec Sealed Bearing
Crankset parts and sizes	46 Teeth Adventure Components Lo Pro
Gear shift levers	Shimano XTR RapidFire SL Rear
Rear gear set	12 - 34 Teeth 9-speed

Rotec Pro Downhill Fork System Data

Derailleur (Front)	Chain Retention Device
Derailleur (Rear)	Shimano XTR SGS
Fork material	Double Triple-clamp Crown Aluminum
Fork type	7.0 (inches) Travel White Brothers DH-3

Other Specs of Rotec Pro Downhill

Component group sets	Downhill Mix
Pedals details	Shimano PD-M646 SPD
Rear shock absorber	7.375 (inches) Travel Fox Vanilla RC
Saddle seat	SDG Big Boy DH
Seat post extension	27.2 (millimeters) Diameter Thomson Elite

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