Research Dynamics COYOTE PRO FOUR 1997 VS Specialized HARDROCK DISC 2011 specs comparison

Research Dynamics Coyote Pro Four

General Infos

Model	Coyote Pro Four
Manufacturer	Research Dynamics
Year of production	1997
Current price	Check price Here ==>
Color choice	-Matte black
Sizes	- 13.5 (inches) - 15.5 (inches) - 17.5 (inches) - 18.5 (inches) - 19.5 (inches)
Sizes	- 13.5 (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-836 Front: 26 X 2.10 (inches) Kenda K-837
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Dia-Compe PC-7 EXA Levers Dia-Compe VC-747 Brakes
Hubs for disc brakes	Rear: Shimano STX-RC Front: Formula CO 31 Cool Hub
Rims manufacturer	32-hole Araya GP-710
Spoke nipples type	Brass Nipples
Spoke wheel	1.8 (millimeters) Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Oversize 7005 Aluminum
Frame type	TIG-welded
Handlebar construction	Hsin Lung Aluminum
Handlebar extender	Hsin Lung MT30
Handlebar stem details	Hsin Lung Aluminum
Headset size	1 1/8 (inches) Threadless Dia-Compe Aheadset SE-1

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-IG31
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	110 (millimeters) Spindle Shimano BB-LP26
Crankset parts and sizes	24/34/42 Teeth Shimano Alivio
Gear shift levers	Shimano STX RapidFire SL
Rear gear set	11 - 28 Teeth 8-speed

Research Dynamics Coyote Pro Four Fork System Data

Derailleur (Front)	Top-pull and clamp-on 35.0 (millimeters) Shimano AceraX Top-swing
Derailleur (Rear)	Shimano STX-RC
Fork material	Triple-clamp Crown Aluminum and chromoly
Fork type	RST 381M

Other Specs of Research Dynamics Coyote Pro Four

Component group sets	Shimano STX-RC
Pedals details	Wellgo LU-964A With Clips & Straps
Rear shock absorber	Not Available
Saddle seat	Velo VL-308 Bio
Seat post extension	31.4 (millimeters) Diameter Polygon PM-312

Specialized Hardrock Disc

General Infos

Model	Hardrock Disc
Manufacturer	Specialized
Year of production	2011
Current price	Check price Here ==>
Color choice	- Blk and Sil - Wht and Red -Blk
Sizes	- 13 (inches) - 15.5 (inches) - 17.5 (inches) - 19 (inches) - 21 (inches) - 23 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.0 (inches) Specialized Fast Track LK Sport
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Alloy Levers Tektro IO Mechanical Disc Brakes
Hubs for disc brakes	Forged Alloy
Rims manufacturer	32-hole Alex RHD 26 (inches)
Spoke nipples type	Not Available
Spoke wheel	14ga. Butted Stainless

Frame and Body Specs

Frame materials	Specialized A1 Premium Aluminum
Frame type	TIG-welded
Handlebar construction	Riserbar
Handlebar extender	Optional
Handlebar stem details	A-head
Headset size	1 1/8 (inches) Threadless

Gearing Specifications

Bicycle chain	KMC Z7
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	118 (millimeters) Spindle Sealed Cartridge
Crankset parts and sizes	22/32/42 Teeth SR Suntour
Gear shift levers	SRAM X.3 Trigger
Rear gear set	12 - 32 Teeth 7-speed

Specialized Hardrock Disc Fork System Data

Derailleur (Front)	34.9 (millimeters) Clamp Shimano Atlus
Derailleur (Rear)	SRAM X.4
Fork material	Single
Fork type	80 (millimeters) SR Suntour SF11

Other Specs of Specialized Hardrock Disc

Component group sets	Mountain Mix
Pedals details	Composite Platform
Rear shock absorber	Not Available
Saddle seat	Specialized XC
Seat post extension	30.9 (millimeters) Diameter Two-bolt Alloy Micro-Adjust