Research Dynamics COYOTE CHALLENGE 1997 VS Marin BEAR VALLEY 2007 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	2007
Current price	Check price Here ==>
Color choice	- Gloss Pink -Gloss Mica
Sizes	- 13 (inches) - 15 (inches) - 17 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.10 (inches) WTB MotoRaptor Comp
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano Levers Hayes MX-2 XC With V6 Rotors Brakes
Hubs for disc brakes	Alloy Double Sealed Disc QR
Rims manufacturer	32-hole WTB DX23
Spoke nipples type	Not Available
Spoke wheel	15ga. Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Edge II 7005 Aluminum
Frame type	TIG-welded
Handlebar construction	WomenGÇÖs Double Butted Alloy
Handlebar extender	Optional
Handlebar stem details	Forged Alloy
Headset size	1 1/8 (inches) Threadless TH-888

Gearing Specifications

Bicycle chain	Shimano HG40
Bottom bracket shell width	Not Available
Bottom bracket type	TruVativ Sealed Cartridge
Crankset parts and sizes	22/32/42 Teeth TruVativ X-Flow 3.0
Gear shift levers	Shimano EF50 EZ-Fire
Rear gear set	11 - 32 Teeth 8-speed

Marin Bear Valley Fork System Data

Derailleur (Front)	Shimano Acera
Derailleur (Rear)	Shimano Deore
Fork material	Single Crown Magnesium and steel and aluminum
Fork type	100 (millimeters) Rock Shox Dart 1

Other Specs of Marin Bear Valley

Component group sets	Mountain Mix
Pedals details	Composite
Rear shock absorber	Not Available
Saddle seat	WTB Speed She Sport
Seat post extension	27.2 (millimeters) Diameter Alloy Micro Adjust