Research Dynamics COYOTE CHALLENGE 1997 VS Mongoose NX 7.5 2000 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

Mongoose NX 7.5

General Infos

Model	NX 7.5
Manufacturer	Mongoose
Year of production	2000
Current price	Check price Here ==>
Color choice	-Wired Platinum and Wired Blue
Sizes	- Large - medium - small

Wheels And Breaking System

Bike front tire	26 X 1.95 (inches) IRC Notos XC
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Avid SD-1.9 L Levers Formula MD-1 Brakes
Hubs for disc brakes	WTB Momentum Disc
Rims manufacturer	32-hole WTB SpeedMaster
Spoke nipples type	Not Available
Spoke wheel	2.0 (millimeters) WTB Stainless Steel

Frame and Body Specs

Frame materials	Newman 7005 Aluminum
Frame type	TIG-welded
Handlebar construction	Titec Hell Bent XC
Handlebar extender	Optional
Handlebar stem details	Titec Big AL
Headset size	1 1/8 (inches) Threadless WTB Momentum Comp ST

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG72
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	22/32/44 Teeth Shimano Deore
Gear shift levers	Shimano Deore LX RapidFire SL
Rear gear set	9-speed

Mongoose NX 7.5 Fork System Data

Derailleur (Front)	Shimano Deore LX
Derailleur (Rear)	Shimano Deore XT SGS
Fork material	Triple-clamp Crown Aluminum and magnesium
Fork type	2.5 (inches)-4.0 (inches) Adjustable Travel Rock Shox Judy SL

Other Specs of Mongoose NX 7.5

Component group sets	Mountain Mix
Pedals details	Time ATAC Alium
Rear shock absorber	Not Available
Saddle seat	WTB Podium
Seat post extension	31.4 (millimeters) Diameter Mongoose Micro-adjust