Rocky Mountain DH RACE 1998 VS ProFlex 657 1997 specs comparison

Rocky Mountain DH Race

General Infos

Model	DH Race
Manufacturer	Rocky Mountain
Year of production	1998
Current price	Check price Here ==>
Color choice	-Blue front and yellow swingarm
Sizes	- 16 (inches) - 17.5 (inches) - 18.5 (inches) - 20 (inches)
Sizes	- 16 (inches) - 17.5 (inches) - 18.5 (inches) - 20 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.20 (inches) WTB TyranoRaptor DH
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Avid SD-2.0 L Levers Avid 1D-20 Brakes
Hubs for disc brakes	Rear: Shimano Deore LX Front: Shimano Deore LX Suspension
Rims manufacturer	Sun Rims Rhyno Lite
Spoke nipples type	Not Available
Spoke wheel	2.0 (millimeters) Double-butted DT Stainless Steel

Frame and Body Specs

Frame materials	Easton Custom HBO Aluminum
Frame type	Welded
Handlebar construction	RMB 2014 Aluminum DH
Handlebar extender	Optional
Handlebar stem details	RMB Forged DH
Headset size	1 1/8 (inches) Threadless Ritchey Logic Expert

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Taya TB-600
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano BB-UN52
Crankset parts and sizes	22/32/42 Teeth Shimano Deore LX
Gear shift levers	Shimano Deore LX RapidFire SL
Rear gear set	11 - 30 Teeth 8-speed

Rocky Mountain DH Race Fork System Data

Derailleur (Front)	Top-pull and clamp-on 31.8 (millimeters) Shimano Deore XT Top-swing
Derailleur (Rear)	Shimano Deore XT SGS
Fork material	Triple-clamp Crown Aluminum
Fork type	Marzocchi Bomber Z-1 BAM

Other Specs of Rocky Mountain DH Race

Component group sets	Mountain Mix
Pedals details	Shimano PD-M636 SPD
Rear shock absorber	5.5 (inches) Travel Fox Vanilla R
Saddle seat	Selle Italia Nitrox PD
Seat post extension	Ritchey Expert

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