Jamis AURORA 1996 VS Kona ROAST 2004 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	2004
Current price	Check price Here ==>
Color choice	-Black
Sizes	- 13 (inches) - 15 (inches) - 15.5 (inches) - 17 (inches) - 17.5 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.30 (inches) Nokian NBX
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Hayes HFX-9 Hydraulic Disc Levers Hayes HFX-9 Hydraulic Disc Brakes
Hubs for disc brakes	Rear: Shimano FH-M475 Disc Front: Shimano HB-M475 Disc
Rims manufacturer	32-hole Sun Rims Ditch Witch
Spoke nipples type	Brass Nipples
Spoke wheel	14ga. Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	7005 aluminum c
Frame type	TIG-welded
Handlebar construction	Kona DH Primo
Handlebar extender	Optional
Handlebar stem details	Kona DH Primo
Headset size	1 1/8 (inches) Threadless Tien Hsin TH-877

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-HG53
Bottom bracket shell width	Not Available
Bottom bracket type	TruVativ ISIS Drive Hussefelt
Crankset parts and sizes	22/32 Teeth TruVativ Hussefelt DH
Gear shift levers	Shimano Deore RapidFire
Rear gear set	11 - 32 Teeth 9-speed

Kona Roast Fork System Data

Derailleur (Front)	Top-pull and clamp-on Shimano Deore
Derailleur (Rear)	Shimano Deore LX
Fork material	Single Crown Aluminum and magnesium
Fork type	100 (millimeters) Travel Marzocchi Bomber Dirt Jumper 3

Other Specs of Kona Roast

Component group sets	Mountain Mix
Pedals details	Kona JackShit
Rear shock absorber	Not Available
Saddle seat	Kona DJ
Seat post extension	IRD Quad 2