Research Dynamics COYOTE CHALLENGE 1997 VS Marin BEAR VALLEY 2004 specs comparison

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)
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

Marin Bear Valley

General Infos

Model	Bear Valley
Manufacturer	Marin
Year of production	2004
Current price	Check price Here ==>
Color choice	-Matte Valley
Sizes	- 13 (inches) - 15 (inches) - 17 (inches) - 18.5 (inches) - 20 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.95 (inches) IRC Mythos
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Forged Alloy 3 Finger Levers Forged Alloy With Linear Spring Brakes
Hubs for disc brakes	Rear: Shimano Disc Front: Shimano Disc 32
Rims manufacturer	32-hole Alex TA-19
Spoke nipples type	Not Available
Spoke wheel	15ga. Straight Gauge DT Stainless Steel

Frame and Body Specs

Frame materials	Double-butted Chromoly
Frame type	TIG-welded
Handlebar construction	1 (inches) Rise Double Butted Alloy
Handlebar extender	Not Available
Handlebar stem details	Cold Forged Threadless With 6 Rise
Headset size	1 1/8 (inches) Threadless WTB Momentum Comp ST

Gearing Specifications

Bicycle chain	Shimano CN-HG53
Bottom bracket shell width	Not Available
Bottom bracket type	TruVativ Cartridge
Crankset parts and sizes	22/32/44 Teeth TruVativ Five D
Gear shift levers	Shimano Deore RapidFire
Rear gear set	11 - 32 Teeth 9-speed

Marin Bear Valley Fork System Data

Derailleur (Front)	Shimano Deore
Derailleur (Rear)	Shimano Deore
Fork material	Not Available
Fork type	80 (millimeters) Travel Marzocchi MZ Comp

Other Specs of Marin Bear Valley

Component group sets	Mountain Mix
Pedals details	Composite With Alloy Cage
Rear shock absorber	Not Available
Saddle seat	WTB Speed V Sport
Seat post extension	Alloy Micro-adjust