Specialized ROCKHOPPER DISC 29ER 2008 VS Research Dynamics COYOTE CHALLENGE 1997 specs comparison

Specialized Rockhopper Disc 29er

General Infos

Model	Rockhopper Disc 29er
Manufacturer	Specialized
Year of production	2008
Current price	Check price Here ==>
Color choice	-Orange
Sizes	- 15 - 17 - 19 - 21 - 23
Sizes	- 15 - 17 - 19 - 21 - 23

Wheels And Breaking System

Bike front tire	29 X 2.00 (inches) Specialized Fast Track Control
Bike rear tire	Not Available
Bike wheel size	29 (inches) Wheels
Brakeset type	Avid FR-5 Levers Avid BB-5 Disc Brakes
Hubs for disc brakes	Specialized Hi Lo Disc
Rims manufacturer	28-hole and 32-hole Alex RHD
Spoke nipples type	Alloy Niples
Spoke wheel	15ga. Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	M4 Aluminum
Frame type	TIG-welded
Handlebar construction	31.8 640 (millimeters) Wide With Graphic Specialized XC Rise
Handlebar extender	Optional
Handlebar stem details	31.8 (millimeters) Clamp 3D Forged Specialized
Headset size	1 1/8 (inches) Threadless Threadless

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) KMC X8
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano BB-ES25
Crankset parts and sizes	22/32/44 Teeth Shimano M341
Gear shift levers	Shimano Alivio RapidFire
Rear gear set	11 - 32 Teeth 8-speed

Specialized Rockhopper Disc 29er Fork System Data

Derailleur (Front)	Dual-pull and clamp-on 34.9 (millimeters) Shimano Altus
Derailleur (Rear)	Shimano Alivio
Fork material	Single
Fork type	80 (millimeters) RockShox Dart 3 SL

Other Specs of Specialized Rockhopper Disc 29er

Component group sets	Mountain Mix
Pedals details	Specialized Steel
Rear shock absorber	Not Available
Saddle seat	Specialized XC
Seat post extension	30.9 (millimeters) Diameter Two-bolt Alloy Micro-Adjust

Research Dynamics Coyote Challenge

General Infos

Model	Coyote Challenge
Manufacturer	Research Dynamics
Year of production	1997
Current price	Check price Here ==>
Color choice	-Blue and black fade
Sizes	- 12.5 (inches) - 15.5 (inches) - 17.5 (inches) - 18.5 (inches) - 19.5 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.10 (inches) Super East 117
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Tektro RBP-371A Levers Tektro 986A Brakes
Hubs for disc brakes	Rear: Joy Tech JY-732 Front: Joy Tech JY-731 Q and R
Rims manufacturer	36-hole HJC P-GN Aluminum
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Chromoly Seat Tube and hi-tensile Steel
Frame type	TIG-welded
Handlebar construction	Hsin Lung MTB 110
Handlebar extender	Optional
Handlebar stem details	Jye Chen JC80U
Headset size	1 (inches) YST HP-252

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) KMC UG-50
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	122.5 (millimeters) Spindle Chin Haur CH-46
Crankset parts and sizes	28/38/48 Teeth Tracer MA-6i
Gear shift levers	Grip Shift MRX-170
Rear gear set	14 - 28 Teeth 7-speed

Research Dynamics Coyote Challenge Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 28.6 (millimeters) Shimano Altus Top-swing
Derailleur (Rear)	Shimano AceraX
Fork material	Triple-clamp Crown Chromoly
Fork type	RST 156

Other Specs of Research Dynamics Coyote Challenge

Component group sets	Shimano AceraX
Pedals details	Wellgo LU-895
Rear shock absorber	Not Available
Saddle seat	Velo VL-218
Seat post extension	28.6 (millimeters) Diameter Meng Jing MSP-009