Research Dynamics COYOTE TRAIL 21 1998 VS Specialized ROCKHOPPER 24 1997 specs comparison

Research Dynamics Coyote Trail 21

General Infos

Model	Coyote Trail 21
Manufacturer	Research Dynamics
Year of production	1998
Current price	Check price Here ==>
Color choice	-Matte 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	26 X 1.95 (inches) Kenda K-850
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	APSE 306AP Levers APSE 112P Brakes
Hubs for disc brakes	Rear: Joytech Soid Nutted Front: Joy Tech Soia Q and R
Rims manufacturer	36-hole Weinmann 119
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Shuhn Lih Steel

Frame and Body Specs

Frame materials	Hi-tensile Steel
Frame type	TIG-welded
Handlebar construction	Liyang MTB-110
Handlebar extender	Optional
Handlebar stem details	Liyang SLU-80
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 YST BB 621
Crankset parts and sizes	28/38/48 Teeth Prowheel S-355
Gear shift levers	Grip Shift MRX-170
Rear gear set	13 - 28 Teeth 7-speed

Research Dynamics Coyote Trail 21 Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 28.6 (millimeters) Suntour Giga 450
Derailleur (Rear)	Shimano Tourney TY-22
Fork material	Unicrown Crown Hi-tensile Steel
Fork type	Coyote

Other Specs of Research Dynamics Coyote Trail 21

Component group sets	Shimano Tourney TY-22
Pedals details	Wellgo LU-895
Rear shock absorber	Not Available
Saddle seat	Cionlli 720
Seat post extension	25.6 (millimeters) Diameter Liyang

Specialized Rockhopper 24

General Infos

Model	Rockhopper 24
Manufacturer	Specialized
Year of production	1997
Current price	Check price Here ==>
Color choice	- red -Lavender
Sizes	- Boys - girls

Wheels And Breaking System

Bike front tire	24 X 1.80 (inches) Specialized Ground Control
Bike rear tire	Not Available
Bike wheel size	24 (inches) Wheels
Brakeset type	Dia-Compe PC-1N Junior Levers Aluminum Cantilever Brakes
Hubs for disc brakes	Nutted Steel
Rims manufacturer	36-hole Aluminum
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Steel

Frame and Body Specs

Frame materials	SBC DirectDrive
Frame type	TIG-welded
Handlebar construction	Steel
Handlebar extender	Optional
Handlebar stem details	Steel
Headset size	1 (inches)

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches)
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	Not Available
Crankset parts and sizes	28/38/48 Teeth SR Aluminum
Gear shift levers	Grip Shift MRX-170
Rear gear set	14 - 28 Teeth 6-speed

Specialized Rockhopper 24 Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 28.6 (millimeters) Shimano Tourney TY-22
Derailleur (Rear)	Shimano Tourney TY-22
Fork material	Unicrown Crown Hi-tensile Steel
Fork type	SBC

Other Specs of Specialized Rockhopper 24

Component group sets	Not Available
Pedals details	Resin
Rear shock absorber	Not Available
Saddle seat	SBC Mini
Seat post extension	Steel