Research Dynamics COYOTE CHALLENGE S.E. 1999 VS Specialized HARDROCK DISC 2011 specs comparison

Research Dynamics Coyote Challenge S.E.

General Infos

Model	Coyote Challenge S.E.
Manufacturer	Research Dynamics
Year of production	1999
Current price	Check price Here ==>
Color choice	-Blue and Gray 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 1.95 (inches) Kenda K-850
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Tektro 371 Levers Tektro 820A Linear-pull Brakes
Hubs for disc brakes	Q and R Joy Tech Aluminum
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	4130 Chromoly Seat Tube and hi-tensile Steel
Frame type	TIG-welded
Handlebar construction	Liyang MTB-110
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	110.5 (millimeters) Spindle Chin Haur CH-48
Crankset parts and sizes	28/38/48 Teeth Shimano Tourney TY-30
Gear shift levers	Grip Shift MRX FFS
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) SR AN 462
Derailleur (Rear)	Shimano Altus
Fork material	Unicrown Crown Aluminum and chromoly
Fork type	2.0 (inches) Travel RST 180

Other Specs of Research Dynamics Coyote Challenge S.E.

Component group sets	Mountain Mix
Pedals details	Wellgo LU-895
Rear shock absorber	Not Available
Saddle seat	Velo VL-218
Seat post extension	25.6 (millimeters) Diameter Kalloy SP-200

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