Research Dynamics COYOTE CHALLENGE S.E. 1998 VS EPX HAMMERHEAD PRO 2003 specs comparison

Research Dynamics Coyote Challenge S.E.

General Infos

Model	Coyote Challenge S.E.
Manufacturer	Research Dynamics
Year of production	1998
Current price	Check price Here ==>
Color choice	-Fade red and black
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	Rear: 26 X 2.10 (inches) Kenda K-886 Front: 26 X 2.10 (inches) Kenda K-876
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	APSE 308A Levers APSE 111A Brakes
Hubs for disc brakes	Rear: Joytech Soid Nutted Front: Joy Tech Soia Q and R
Rims manufacturer	36-hole Weinmann 519
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Shuhn Lih Steel

Frame and Body Specs

Frame materials	Chromoly and hi-tensile Steel
Frame type	TIG-welded
Handlebar construction	Liyang MTB-153
Handlebar extender	Optional
Handlebar stem details	Liyang MTS-309
Headset size	1 (inches) YST Steel

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) KMC Z-51
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	110 (millimeters) Spindle Chin Haur CH-48
Crankset parts and sizes	24/34/42 Teeth Suntour XR17
Gear shift levers	Grip Shift MRX-170
Rear gear set	13 - 28 Teeth 7-speed

Research Dynamics Coyote Challenge S.E. Fork System Data

Derailleur (Front)	Top-pull and clamp-on 28.6 (millimeters) Suntour AN462
Derailleur (Rear)	Shimano AceraX
Fork material	Unicrown Crown Aluminum and chromoly
Fork type	RST 181

Other Specs of Research Dynamics Coyote Challenge S.E.

Component group sets	Shimano AceraX
Pedals details	Wellgo LU-895
Rear shock absorber	Not Available
Saddle seat	Velo 241
Seat post extension	25.6 (millimeters) Diameter Hsin Lung SP-102

EPX Hammerhead Pro

General Infos

Model	Hammerhead Pro
Manufacturer	EPX
Year of production	2003
Current price	Check price Here ==>
Color choice	-Yellow and Red
Sizes	- 15.5 (inches) - 18.5 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.95 (inches) Michelin Jet S
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano Deore XT RapidFire STI Levers Shimano XTR V-Brake Brakes
Hubs for disc brakes	Mavic Crossmax UST
Rims manufacturer	18-hole and 24-hole Mavic Crossmax UST
Spoke nipples type	Brass Nipples
Spoke wheel	Aero Mavic Zicral

Frame and Body Specs

Frame materials	Carbon Fiber Composite
Frame type	Bonded and monocoque
Handlebar construction	EPXtras Carbon
Handlebar extender	Optional
Handlebar stem details	EPXtras Carbon
Headset size	1 1/8 (inches) Integrated

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG73
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano BB-ES70
Crankset parts and sizes	Shimano Deore XT
Gear shift levers	Shimano Deore XT RapidFire STI
Rear gear set	13 - 32 Teeth 9-speed

EPX Hammerhead Pro Fork System Data

Derailleur (Front)	Shimano Deore XT
Derailleur (Rear)	Shimano XTR
Fork material	Single Crown Aluminum and magnesium
Fork type	Rock Shox Sid SL

Other Specs of EPX Hammerhead Pro

Component group sets	Mountain Mix
Pedals details	Crank Brothers Eggbeater
Rear shock absorber	Not Available
Saddle seat	Selle Italia SLR
Seat post extension	27.2 (millimeters) Diameter EPXtras Carbon