Specialized ROCKHOPPER RH11 2006 VS Dirt Research KOBUK (01) 1997 specs comparison

Specialized Rockhopper RH11

General Infos

Model	Rockhopper RH11
Manufacturer	Specialized
Year of production	2006
Current price	Check price Here ==>
Color choice	-Not found
Sizes	- 13 (inches) - 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches)
Sizes	- 13 (inches) - 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches)

Wheels And Breaking System

Bike front tire	Wire Bead 26 X 2.00 (inches) Specialized Adrenaline Sport (inches)
Bike rear tire	Not Available
Bike wheel size	Not Available
Brakeset type	Tektro RS-360 Levers Linear Spring Stainless Steel Pipe Brakes Tektro (inches)V (inches)
Hubs for disc brakes	Not Available
Rims manufacturer	32-hole SUN CR-18
Spoke nipples type	Brass Nipples
Spoke wheel	15ga. Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	A1 Premium Aluminum
Frame type	TIG-welded
Handlebar construction	25 (millimeters) Rise 6 Degree Upsweep 640 (millimeters) Width 8 Degree Sweep Alloy
Handlebar extender	Optional
Handlebar stem details	Alloy Ahead 2 Bolt Clamp
Headset size	Sealed Ball Retainer 1 1/8 (inches) Threadless

Gearing Specifications

Bicycle chain	Shimano CN-IG31
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	113 (millimeters) Spindle TruVativ Power Spline
Crankset parts and sizes	22t and 32t Heat Treated Cro-Mo and 44t 7075 Aluminum Teeth Truvative ISO-Flow With Alloy Outer
Gear shift levers	8-speed SRAM SX-4 Trigger
Rear gear set	11 - 32 Teeth 8-speed

Specialized Rockhopper RH11 Fork System Data

Derailleur (Front)	34.9 (millimeters) Clamp Bottom Pull Top Mount SRAM 3.0
Derailleur (Rear)	Mid Cage SRAM SX-5
Fork material	Single Crown Aluminum and steel
Fork type	100 (millimeters) Rock Shox J3 SL

Other Specs of Specialized Rockhopper RH11

Component group sets	SRAM Mix
Pedals details	Composite Body Steel Cage Toe Clip Compatible Dual Sided
Rear shock absorber	Not Available
Saddle seat	Specialized Body Geometry Sport MTB
Seat post extension	30.9 (millimeters) Diameter Alloy Micro Adjust

Dirt Research Kobuk (01)

General Infos

Model	Kobuk (01)
Manufacturer	Dirt Research
Year of production	1997
Current price	Check price Here ==>
Color choice	- teal -Amethyst
Sizes	- 14 (inches) - 16 (inches) - 18 (inches) - 20 (inches) - 22 (inches) - 24 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.10 (inches) WTB VelociRaptor
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano STX Levers Shimano STX M-System Brakes
Hubs for disc brakes	Shimano STX-RC
Rims manufacturer	32-hole Sun Rims DW 6000
Spoke nipples type	Brass Nipples
Spoke wheel	1.8 (millimeters) Straight Gauge DT Stainless Steel

Frame and Body Specs

Frame materials	Columbus OR
Frame type	TIG-welded
Handlebar construction	Dirt Research 140g Aluminum
Handlebar extender	Dirt Research
Handlebar stem details	Dirt Research
Headset size	1 1/8 (inches) Threadless Tioga ST2-E

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-IG51
Bottom bracket shell width	73 (millimeters) English
Bottom bracket type	110 (millimeters) Spindle Shimano BB-LP26
Crankset parts and sizes	22/32/42 Teeth Shimano STX
Gear shift levers	Shimano STX RapidFire SL
Rear gear set	11 - 30 Teeth 8-speed

Dirt Research Kobuk (01) Fork System Data

Derailleur (Front)	Top-pull and clamp-on 28.6 (millimeters) Shimano STX Top-swing
Derailleur (Rear)	Shimano STX
Fork material	Triple-clamp Crown Magnesium
Fork type	Rock Shox Indy XC

Other Specs of Dirt Research Kobuk (01)

Component group sets	Shimano STX
Pedals details	Dirt Research Aluminum
Rear shock absorber	Not Available
Saddle seat	Dirt Research Racing
Seat post extension	27.0 (millimeters) Diameter Dirt Research