Research Dynamics COYOTE CHALLENGE 1997 VS Kona BIG KAHUNA 2009 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

Kona Big Kahuna

General Infos

Model	Big Kahuna
Manufacturer	Kona
Year of production	2009
Current price	Check price Here ==>
Color choice	-Brown Metallic and Pearl White
Sizes	- 16 (inches) - 18 (inches) - 19 (inches) - 20 (inches) - 22 (inches)

Wheels And Breaking System

Bike front tire	29 X 2.10 (inches) Maxxis Ignitor
Bike rear tire	Not Available
Bike wheel size	29 (inches) Wheels
Brakeset type	Shimano M575 Hydraulic Levers Shimano M575 Disc Brakes
Hubs for disc brakes	Rear: Shimano M525 Disc Front: Formula Disc
Rims manufacturer	Sun EQ 2.3SL
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Kona Race Light 7005 Aluminum Butted
Frame type	TIG-welded
Handlebar construction	Kona XC and BC Deluxe Riser
Handlebar extender	Optional
Handlebar stem details	Kona XC and BC Deluxe
Headset size	1 1/8 (inches) TH

Gearing Specifications

Bicycle chain	Shimano Deore
Bottom bracket shell width	73 (millimeters)
Bottom bracket type	Shimano SLX Hollowtech II
Crankset parts and sizes	22/32/44 Teeth Shimano SLX
Gear shift levers	Shimano Deore RapidFire
Rear gear set	11 - 34 Teeth 9-speed

Kona Big Kahuna Fork System Data

Derailleur (Front)	Shimano Deore
Derailleur (Rear)	Shimano XT Shadow
Fork material	Single
Fork type	80 (millimeters) Travel RockShox Tora Race 29er

Other Specs of Kona Big Kahuna

Component group sets	Shimano Deore
Pedals details	Shimano M520
Rear shock absorber	Not Available
Saddle seat	WTB Rocket V Comp
Seat post extension	Kona XC and BC Deluxe