Specialized HARDROCK A1 1998 VS Ross MT. JEFFERSON 1994 specs comparison

Specialized Hardrock A1

General Infos

Model	Hardrock A1
Manufacturer	Specialized
Year of production	1998
Current price	🛒 View Price →
Color choice	-Mirror blue
Sizes	- 13 (inches) - 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches)
Sizes	- 13 (inches) - 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.95 (inches) Specialized Hardrock'R
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Aluminum Levers Linear-pull Brakes
Hubs for disc brakes	Q and R Rear: Aluminum Quick Release Front: Specialized Aluminum
Rims manufacturer	32-hole Araya GP-710
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Stainless Steel

Frame and Body Specs

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

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) IG
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	Specialized Sealed Cartridge
Crankset parts and sizes	24/34/42 Teeth Specialized Strong Arm Sport
Gear shift levers	Shimano Rapidfire
Rear gear set	11 - 28 Teeth 7-speed

Specialized Hardrock A1 Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 31.8 (millimeters) Shimano Alivio Top-swing
Derailleur (Rear)	Shimano STX
Fork material	Unicrown Crown Chromoly
Fork type	Specialized

Other Specs of Specialized Hardrock A1

Component group sets	Mountain Mix
Pedals details	Resin
Rear shock absorber	Not Available
Saddle seat	Specialized Springlite
Seat post extension	30.9 (millimeters) Diameter Aluminum Micro-adjust

Ross Mt. Jefferson

General Infos

Model	Mt. Jefferson
Manufacturer	Ross
Year of production	1994
Current price	🛒 View Price →
Color choice	-Not found
Sizes	- 16 (inches) - 19 (inches) - 22 (inches) - womens 16 (inches) - womens 19 (inches)

Wheels And Breaking System

Bike front tire	Rear: 24 X 1.90 (inches) Ross Front: 26 X 1.90 (inches) Ross
Bike rear tire	Not Available
Bike wheel size	Rear: 24 (inches) Wheels Front: 26 (inches)
Brakeset type	Levers C.S. Resin and steel Cantilevers Brakes
Hubs for disc brakes	Steel
Rims manufacturer	36-hole Alloy
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Hi-tensile Steel
Frame type	Lugged Steel
Handlebar construction	Steel 560 (millimeters) X 60 (millimeters) Rise
Handlebar extender	Not Available
Handlebar stem details	Steel 100 (millimeters)
Headset size	Not Available

Gearing Specifications

Bicycle chain	AA50
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	40/48 Teeth Steel 170 (millimeters) Cotterless With Guard
Gear shift levers	Shimano Tourney MY21 Top-mount
Rear gear set	14 - 28 Teeth 6-speed

Ross Mt. Jefferson Fork System Data

Derailleur (Front)	Shimano TY20
Derailleur (Rear)	Shimano TY20 Long Cage
Fork material	Not Available
Fork type	Unicrown Hi-tensile Steel

Other Specs of Ross Mt. Jefferson

Component group sets	Shimano Tourney
Pedals details	Resin
Rear shock absorber	Not Available
Saddle seat	Ross Padded ATB
Seat post extension	Steel 300 (millimeters)