Jamis AURORA 1996 VS Kona ROAST 1999 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

Kona Roast

General Infos

Model	Roast
Manufacturer	Kona
Year of production	1999
Current price	Check price Here ==>
Color choice	-Roast Red and Black
Sizes	- Small - Medium - Large - Extra large

Wheels And Breaking System

Bike front tire	Rear: 26 X 2.10 (inches) Kona Gravy Front: 26 X 2.10 (inches) Kona Lumpy
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Avid SD-1.9 L Levers Avid Arch Rival 40 Brakes
Hubs for disc brakes	Rear: Shimano STX-RC Front: Ritchey Pro S
Rims manufacturer	Sun Rims Rhyno Lite
Spoke nipples type	Brass Nipples
Spoke wheel	1.8 (millimeters) Front 2.0 (millimeters) Rear Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Kona DH 7005 Aluminum
Frame type	TIG-welded
Handlebar construction	Kona DH Riser
Handlebar extender	Optional
Handlebar stem details	Kona DH
Headset size	1 1/8 (inches) Threadless Aheadset SX

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG72
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	Shimano BB-UN52
Crankset parts and sizes	22/32/42 Teeth Shimano Deore LX
Gear shift levers	Shimano Deore LX RapidFire SL
Rear gear set	11 - 32 Teeth 9-speed

Kona Roast Fork System Data

Derailleur (Front)	Shimano Deore LX Top-swing
Derailleur (Rear)	Shimano Deore LX SGS
Fork material	Triple-clamp Crown Aluminum
Fork type	3.15 (inches) Travel Marzocchi Bomber Z-3 LT

Other Specs of Kona Roast

Component group sets	Mountain Mix
Pedals details	Fasten NWL-230 Slalom Platform
Rear shock absorber	Not Available
Saddle seat	SDG Belair
Seat post extension	30.0 (millimeters) Diameter Kona Thumb