Marin ROCK SPRINGS 1999 VS Specialized DEMO 7 2008 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

Specialized Demo 7

General Infos

Model	Demo 7
Manufacturer	Specialized
Year of production	2008
Current price	Check price Here ==>
Color choice	-White
Sizes	- Small - medium - large

Wheels And Breaking System

Bike front tire	26 X 2.30 (inches) Specialized Chunder
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	203 (millimeters) Rotor Brakes Avid Code 5 Hydraulic Disc Hydraulic Disc Levers Avid Juicy 5
Hubs for disc brakes	20 (millimeters) Thru Axle Rear: Specialized Bolt-on 135 (millimeters) Hollow 10 (millimeters) Cr-Mo Axle With RD Guard Front: Specialized Disc
Rims manufacturer	36-hole DT Swiss E540
Spoke nipples type	Brass Nipples
Spoke wheel	14ga. Straight Gauge DT Swiss Stainless Steel

Frame and Body Specs

Frame materials	M5 Aluminum
Frame type	TIG-welded
Handlebar construction	31.8 (millimeters) 6066 Alloy 680 (millimeters) Wide Specialized Demo Rise Bar
Handlebar extender	Optional
Handlebar stem details	TruVativ Holzfeller 1.5 (inches)
Headset size	1 1/2 (inches) Threadless Threadless

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) SRAM PC-971 With Power Link
Bottom bracket shell width	Not Available
Bottom bracket type	Truvativ Holzfeller Team
Crankset parts and sizes	170 (millimeters) 36 Teeth With Gamut P-30 Guide Truvativ Holzfeller
Gear shift levers	SRAM X-7 Trigger
Rear gear set	11 - 34 Teeth 9-speed

Specialized Demo 7 Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	SRAM X.9
Fork material	Single
Fork type	180 (millimeters) Travel Marzocchi 66RCV

Other Specs of Specialized Demo 7

Component group sets	Downhill Mix
Pedals details	Specialized Lo-Pro Alloy
Rear shock absorber	7 (inches) Travel Fox DHX 4.0 Coil Over
Saddle seat	8 (millimeters) Cr-Mo Rails Specialized Enduro
Seat post extension	30.9 (millimeters) Diameter Syncros Derived 2-bolt