Jamis AURORA 1996 VS Ross MT. ST. HELENS 1994 specs comparison

Jamis Aurora

General Infos

Model	Aurora
Manufacturer	Jamis
Year of production	1996
Current price	Check price Here ==>
Color choice	- emerald green -Black cherry
Sizes	- 14.5 (inches) - 16 (inches) - 17.5 (inches) - 19.5 (inches) - 21.5 (inches)
Sizes	- 14.5 (inches) - 16 (inches) - 17.5 (inches) - 19.5 (inches) - 21.5 (inches)

Wheels And Breaking System

Bike front tire	Rear: 26 X 2.10 (inches) WTB Desert Raptor Front: 26 X 1.95 (inches) WTB Primal Raptor
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Dia-Compe PC-7N Levers Shimano STX-RC M-System Brakes
Hubs for disc brakes	Not Available
Rims manufacturer	32-hole Sun Metal AT18
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Double-butted Heat-treated Chromoly
Frame type	TIG-welded Steel
Handlebar construction	Spectre Wonderbar
Handlebar extender	Optional
Handlebar stem details	Spectre Flip Flop Forged Alloy
Headset size	1 1/8 (inches) Threadless Dia-Compe Kontak Aheadset ST-2

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-IG51
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	110 (millimeters) Spindle Shimano BB-UN52
Crankset parts and sizes	22/32/42 Teeth Sugino Impel 350
Gear shift levers	Grip Shift SRT-600
Rear gear set	11 - 28 Teeth 8-speed

Jamis Aurora Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 28.6 (millimeters) Shimano Deore LX Top-swing
Derailleur (Rear)	Shimano Deore LX SGS
Fork material	Triple-clamp Crown Magnesium
Fork type	Rock Shox Quadra 21R

Other Specs of Jamis Aurora

Component group sets	Shimano Deore LX
Pedals details	Spectre UL Comp With Clips & Straps
Rear shock absorber	Not Available
Saddle seat	Vetta AT Transverse
Seat post extension	26.8 (millimeters) Diameter Spectre UL Comp

Ross Mt. St. Helens

General Infos

Model	Mt. St. Helens
Manufacturer	Ross
Year of production	1994
Current price	Check price Here ==>
Color choice	-Not found
Sizes	- 16 (inches) - 19 (inches) - 22 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.10 (inches) Signature
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Levers Shimano Alivio M-SYSTEM Brakes
Hubs for disc brakes	Shimano Parallax
Rims manufacturer	36-hole Araya AP-21
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	6061 T6 Aluminum
Frame type	Bonded Aluminum
Handlebar construction	Signature Alloy and black 560 (millimeters)W
Handlebar extender	Not Available
Handlebar stem details	Ritchey Chromoly and black 1-1/8 (inches)
Headset size	Not Available

Gearing Specifications

Bicycle chain	Shimano HG-50
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	24/34/42 Teeth Shimano Alivio 170/175 (millimeters)
Gear shift levers	Shimano Alivio Rapidfire Plus With Optical Gear Display
Rear gear set	11 - 28 Teeth 7-speed

Ross Mt. St. Helens Fork System Data

Derailleur (Front)	Shimano Alivio
Derailleur (Rear)	Shimano Alivio Long Cage
Fork material	Not Available
Fork type	Rosshock 426

Other Specs of Ross Mt. St. Helens

Component group sets	Shimano Alivio
Pedals details	Chromoly Axle Steel Cage Tioga Resin Body
Rear shock absorber	Not Available
Saddle seat	Rails Steel Synthetic Leather Cover Vetta SL
Seat post extension	Ritchey and EXPERT Alloy and black 330 (millimeters)