Jamis DURANGO AL 1999 VS Specialized HARDROCK CLASSIC 1997 specs comparison

Jamis Durango AL

General Infos

Model	Durango AL
Manufacturer	Jamis
Year of production	1999
Current price	Check price Here ==>
Color choice	- Saffron Yellow -Deep Purple
Sizes	- 12 (inches) - 14 (inches) - 17 (inches) - 19 (inches) - 21 (inches)
Sizes	- 12 (inches) - 14 (inches) - 17 (inches) - 19 (inches) - 21 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.90 (inches) Maxxis Worm Drive
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Tektro 381A Levers Tektro 823A Linear-pull Brakes
Hubs for disc brakes	Rear: Formula OV 32 Front: Formula OV 31
Rims manufacturer	32-hole Sun Rims Z-19
Spoke nipples type	Brass Nipples
Spoke wheel	1.8 (millimeters) Straight Gauge Sha-Dar Stainless Steel

Frame and Body Specs

Frame materials	7005 Aluminum With Replaceable Derailleur Hanger
Frame type	TIG-welded
Handlebar construction	Kalloy Riser 6061 Butted
Handlebar extender	Optional
Handlebar stem details	Kalloy Aluminum
Headset size	1 1/8 (inches) Threadless Aheadset STS

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) KMC IG-31
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	110 (millimeters) Spindle Shimano BB-LP27
Crankset parts and sizes	24/34/42 Teeth Shimano Alivio
Gear shift levers	Grip Shift Neos
Rear gear set	11 - 30 Teeth 8-speed

Jamis Durango AL Fork System Data

Derailleur (Front)	Top-pull and clamp-on 31.8 (millimeters) Shimano Alivio Top-swing
Derailleur (Rear)	Shimano Alivio
Fork material	Unicrown Crown Chromoly
Fork type	Not Available

Other Specs of Jamis Durango AL

Component group sets	Mountain Mix
Pedals details	Wellgo LU-955A With Clips & Straps
Rear shock absorber	Not Available
Saddle seat	Velo VL-313
Seat post extension	26.8 (millimeters) Diameter Polygon PM-780

Specialized Hardrock Classic

General Infos

Model	Hardrock Classic
Manufacturer	Specialized
Year of production	1997
Current price	Check price Here ==>
Color choice	- purple -Green
Sizes	- 13.5 (inches) - 15.5 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches) - womens 15.5 (inches) - womens 18 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.95 (inches) Specialized Crossroads III
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Aluminum Levers Shimano Brakes
Hubs for disc brakes	Q and R Rear: Shimano Cassette Front: Aluminum Quick Release
Rims manufacturer	36-hole Weinmann 519
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	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	22/34/42 Teeth SR Aluminum
Gear shift levers	Grip Shift MRX-170
Rear gear set	11 - 28 Teeth 7-speed

Specialized Hardrock Classic Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 28.6 (millimeters) Shimano AceraX Top-swing
Derailleur (Rear)	Shimano AceraX
Fork material	Unicrown Crown Hi-tensile Steel
Fork type	SBC

Other Specs of Specialized Hardrock Classic

Component group sets	Shimano AceraX
Pedals details	Resin
Rear shock absorber	Not Available
Saddle seat	SBC Supersoft Spring Comfort
Seat post extension	26.2 (millimeters) Diameter Aluminum Micro-adjust