Research Dynamics COYOTE CHALLENGE 1997 VS DK XEINA 2008 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

DK Xeina

General Infos

Model	Xeina
Manufacturer	DK
Year of production	2008
Current price	Check price Here ==>
Color choice	-Olive Drab
Sizes	- Standard size for everyone

Wheels And Breaking System

Bike front tire	26 X 2.3 (inches) Kenda K-Rad
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Optional Front and Avid FR- 5 Rear Levers Optional Front and Avid BB 5 Mechanical Rear Brakes
Hubs for disc brakes	Sealed Disc Brake Compatible With Disc Brake
Rims manufacturer	Sun Rhyno Lite XL
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Double Butted Chromoly
Frame type	TIG-welded
Handlebar construction	Alloy 30 (millimeters) Rise
Handlebar extender	Optional
Handlebar stem details	Alloy 40 (millimeters)
Headset size	1 1/8 (inches) 1 1/8 (inches) FSA Campy Style

Gearing Specifications

Bicycle chain	KMC 410H
Bottom bracket shell width	Not Available
Bottom bracket type	DK Euro Sealed
Crankset parts and sizes	DK Iron Cross Lite Teeth DK Social 3pc
Gear shift levers	Not Available
Rear gear set	16 Teeth 1-speed

DK Xeina Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Not Available
Fork type	80 (millimeters) Marzocchi Dirt Jumper 3

Other Specs of DK Xeina

Component group sets	Mountain Mix
Pedals details	Dk Platform
Rear shock absorber	Not Available
Saddle seat	DK Huck It
Seat post extension	Chromoly Micro-adjust