Research Dynamics COYOTE CHALLENGE 1997 VS Alpine Designs XC-4 1998 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

Alpine Designs XC-4

General Infos

Model	XC-4
Manufacturer	Alpine Designs
Year of production	1998
Current price	Check price Here ==>
Color choice	-Chrome-plated
Sizes	- 14.5 (inches) - 16.5 (inches) - 18.5 (inches) - 19.5 (inches) - 21 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.10 (inches) Fly Accelerator
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano Alivio Levers Shimano AceraX M-System Brakes
Hubs for disc brakes	Shimano AceraX
Rims manufacturer	36-hole Sun Rims CR18
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Marwi Stainless Steel

Frame and Body Specs

Frame materials	4130 chromoly c
Frame type	TIG-welded
Handlebar construction	Fly Up-Rising
Handlebar extender	Optional
Handlebar stem details	Fly Aluminum
Headset size	1 1/8 (inches) Threadless Dia-Tech

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) KMC UG-50
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	113 (millimeters) Spindle Shimano BB-LP26
Crankset parts and sizes	22/32/44 Teeth Shimano Alivio
Gear shift levers	Shimano Alivio RapidFire Plus
Rear gear set	11 - 28 Teeth 7-speed

Alpine Designs XC-4 Fork System Data

Derailleur (Front)	Top-pull Shimano Alivio Top-swing
Derailleur (Rear)	Shimano Alivio
Fork material	Triple-clamp Crown Chromoly
Fork type	RST 380 R

Other Specs of Alpine Designs XC-4

Component group sets	Shimano Alivio
Pedals details	Wellgo LU-945
Rear shock absorber	Not Available
Saddle seat	Chromoly Rails WTB SSTX
Seat post extension	29.6 (millimeters) Diameter Kalloy Aluminum Micro-adjust