Specialized ROCKHOPPER COMP 29 2009 VS Ross MT. ST. HELENS 1997 specs comparison

Specialized Rockhopper Comp 29

General Infos

Model	Rockhopper Comp 29
Manufacturer	Specialized
Year of production	2009
Current price	Check price Here ==>
Color choice	- Gloss Green -Satin Black
Sizes	- 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches)
Sizes	- 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches)

Wheels And Breaking System

Bike front tire	29 X 2.00 (inches) Specialized Fast Trak Sport
Bike rear tire	Not Available
Bike wheel size	29 (inches) Wheels
Brakeset type	Avid FR-5 Levers Avid BB5 With 160 (millimeters) Rotor Brakes
Hubs for disc brakes	Rear: Specialized Forged Alloy Front: Specialized Hi Lo Disc
Rims manufacturer	28-hole and 32-hole Specialized RHD 29 (inches)
Spoke nipples type	Not Available
Spoke wheel	15ga. Stainless Steel

Frame and Body Specs

Frame materials	Specialized A1 Premium Aluminum
Frame type	TIG-welded
Handlebar construction	Specialized Low Riser
Handlebar extender	Optional
Handlebar stem details	31.8 (millimeters) Specialized 3D
Headset size	1 1/8 (inches) Specialized Loose Ball

Gearing Specifications

Bicycle chain	KMC X8
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	118 (millimeters) Spindle Shimano BB-ES25
Crankset parts and sizes	22/32/42 Teeth Shimano FC-M36108
Gear shift levers	SRAM X.4 Trigger
Rear gear set	11 - 32 Teeth 8-speed

Specialized Rockhopper Comp 29 Fork System Data

Derailleur (Front)	Shimano Altus
Derailleur (Rear)	SRAM X.5 Medium Cage
Fork material	Single Crown Aluminum and chromoly
Fork type	80 (millimeters) Travel RockShox Dart 3 SL

Other Specs of Specialized Rockhopper Comp 29

Component group sets	SRAM Mix
Pedals details	Plastic Body Steel Cage
Rear shock absorber	Not Available
Saddle seat	Specialized XC Body Geometry
Seat post extension	30.9 (millimeters) Diameter Micro Adjust Specialized Alloy Two Bolt

Ross Mt. St. Helens

General Infos

Model	Mt. St. Helens
Manufacturer	Ross
Year of production	1997
Current price	Check price Here ==>
Color choice	-Green and blue fade
Sizes	- Small - Medium - Large - Extra large

Wheels And Breaking System

Bike front tire	26 X 1.90 (inches) Hutchinson On The Rocks
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Dia-Compe SS-6 Levers Shimano AceraX M-System Brakes
Hubs for disc brakes	Q and R Rear: Joy Tech Aluminum Cassette Front: Joy Tech Big Hub Q and R
Rims manufacturer	32-hole Rigida LASER
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Sapim Stainless Steel

Frame and Body Specs

Frame materials	Carbon Reinforced Thermoplastic
Frame type	Monocoque
Handlebar construction	JY 230HB Aluminum
Handlebar extender	Ross One-piece Aluminum
Handlebar stem details	Kalloy Aluminum
Headset size	1 1/8 (inches) Threadless YST CS558

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG50
Bottom bracket shell width	73 (millimeters) Threadless
Bottom bracket type	113 (millimeters) Spindle YST BB 966
Crankset parts and sizes	22/34/42 Teeth Sugino Impel 300
Gear shift levers	Grip Shift ESP 500
Rear gear set	11 - 28 Teeth 7-speed

Ross Mt. St. Helens Fork System Data

Derailleur (Front)	Top-pull and clamp-on 35.0 (millimeters) Shimano Alivio Top-swing
Derailleur (Rear)	Grip Shift ESP 5.0
Fork material	Triple-clamp Crown Aluminum
Fork type	Akela Elastomer

Other Specs of Ross Mt. St. Helens

Component group sets	Grip Shift and Alivio
Pedals details	Resin Body With Clips & Straps Steel Cage
Rear shock absorber	Not Available
Saddle seat	Selle Master Anatomic
Seat post extension	27.0 (millimeters) Diameter Aluminum Micro-adjust