Marin ROCK SPRINGS 1999 VS ProFlex 957 1997 specs comparison

Marin Rock Springs

General Infos

Model	Rock Springs
Manufacturer	Marin
Year of production	1999
Current price	Check price Here ==>
Color choice	-Yellow
Sizes	- 13.5 (inches) - 15.5 (inches) - 17.5 (inches) - 19 (inches) - 20.5 (inches)
Sizes	- 13.5 (inches) - 15.5 (inches) - 17.5 (inches) - 19 (inches) - 20.5 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.95 (inches) IRC Mythos XC Kevlar
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Avid SD-1.9 L Levers DiaTech Twin Cam 2 Disc Brakes
Hubs for disc brakes	DiaTech Disc
Rims manufacturer	32-hole Mavic X138
Spoke nipples type	Brass Nipples
Spoke wheel	1.8 (millimeters) Straight Gauge DT Stainless Steel

Frame and Body Specs

Frame materials	6061 T6 Aluminum
Frame type	TIG-welded
Handlebar construction	Rise Aluminum
Handlebar extender	Optional
Handlebar stem details	Alloy Ahead
Headset size	1 1/8 (inches) Threadless Ritchey Logic

Gearing Specifications

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

Marin Rock Springs Fork System Data

Derailleur (Front)	Shimano Alivio Top-swing
Derailleur (Rear)	Shimano STX-RC
Fork material	Triple-clamp Crown Aluminum and magnesium
Fork type	4.0 (inches) Travel RST Mozo Pro

Other Specs of Marin Rock Springs

Component group sets	Mountain Mix
Pedals details	Victor VP-106 Clipless
Rear shock absorber	5.0 (inches) Travel Marin Coil-Over
Saddle seat	Marin MTB
Seat post extension	Marin Comp

ProFlex 957

General Infos

Model	957
Manufacturer	ProFlex
Year of production	1997
Current price	Check price Here ==>
Color choice	-Brushed
Sizes	- Small - Medium - Large - Extra large

Wheels And Breaking System

Bike front tire	26 X 1.95 (inches) Michelin Wild Gripper Lite-S Kevlar
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Altek V Levers Shimano Deore XT V-Brake Brakes
Hubs for disc brakes	Rear: Shimano Deore XT Front: Hersey Naked
Rims manufacturer	32-hole Mavic 220S
Spoke nipples type	Alloy Nipples
Spoke wheel	1.8 (millimeters) Double Butted Wheelsmith XL-15 Stainless Steel

Frame and Body Specs

Frame materials	Easton ProGram Elite Double-butted With Carbon Fiber Swingarm
Frame type	TIG-welded
Handlebar construction	Aluminum Easton
Handlebar extender	Control Tech Stix Team Issue
Handlebar stem details	Control Tech
Headset size	1 1/8 (inches) Threadless Dia-Compe Kontak Aheadset DL-2

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Sachs SC-40
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	115 (millimeters) Spindle Shimano BB-UN72
Crankset parts and sizes	22/32/44 Teeth Kooka
Gear shift levers	Grip Shift ESP 900
Rear gear set	11 - 30 Teeth 8-speed

ProFlex 957 Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 31.8 (millimeters) Shimano Deore XT Top-swing
Derailleur (Rear)	Grip Shift ESP 9.0
Fork material	Double Triple-clamp Crown Easton Carbon Fiber
Fork type	Girvin Crosslink Pro Carbon With NR-2

Other Specs of ProFlex 957

Component group sets	Grip Shift and Shimano Deore XT
Pedals details	Proflex Mag-T
Rear shock absorber	4.0 (inches) Travel Noleen NR-4 Piggyback
Saddle seat	Selle Royal Fizik
Seat post extension	27.2 (millimeters) Diameter Control Tech Ultra-Lite