Jamis AURORA 1995 VS Ritchey P-20 1997 specs comparison

Jamis Aurora

General Infos

Model	Aurora
Manufacturer	Jamis
Year of production	1995
Current price	Check price Here ==>
Color choice	- smoke -Purple candy
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) Ritchey Climb Max Kevlar Front: 26 X 2.10 (inches) Ritchey Mad Max Kevlar
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Dia-Compe PC-7 Levers Shimano STX M-System Brakes
Hubs for disc brakes	Shimano STX-RC With Suspension Front
Rims manufacturer	Bontrager BCX-3
Spoke nipples type	Alloy Nipples
Spoke wheel	Double Butted Stainless Steel

Frame and Body Specs

Frame materials	Double-butted Tange Infinity Chromoly
Frame type	TIG-welded Steel
Handlebar construction	Sectre Wonderbar
Handlebar extender	Optional
Handlebar stem details	Spectre
Headset size	1 (inches) Dia-Compe Kontak Aheadset ST

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-IG50
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	22/32/42 Teeth Sugino Impel 350
Gear shift levers	Grip Shift SRT-600
Rear gear set	11 - 28 Teeth 7-speed

Jamis Aurora Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 28.6 (millimeters) Shimano STX
Derailleur (Rear)	Shimano STX
Fork material	Triple-clamp Crown Magnesium
Fork type	Rock Shox Quadra 21

Other Specs of Jamis Aurora

Component group sets	Shimano STX-RC
Pedals details	Spectre UL Comp With Clips And Straps
Rear shock absorber	Not Available
Saddle seat	Spectre Comp
Seat post extension	26.8 (millimeters) Diameter Spectre UL Comp

Ritchey P-20

General Infos

Model	P-20
Manufacturer	Ritchey
Year of production	1997
Current price	Check price Here ==>
Color choice	-Red and white and blue
Sizes	- 14 (inches) - 15 (inches) - 16 (inches) - 17 (inches) - 18 (inches) - 19 (inches) - 20 (inches) - 21 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.10 (inches) Ritchey Mega-Bite Z-Max WCS
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Avid SD-2.0 Levers Avid SD-2.0 Brakes
Hubs for disc brakes	Rear: Shimano Deore XT Front: Shimano Deore XT Suspension
Rims manufacturer	32-hole Rear: Ritchey OCR WCS Front: Ritchey Rock WCS
Spoke nipples type	Alloy Nipples
Spoke wheel	2.0 (millimeters) Double Butted Ritchey Stainless Steel

Frame and Body Specs

Frame materials	Ritchey WCS Prestige
Frame type	Fillet Brazed and TIG-welded
Handlebar construction	Ritchey ProLite WCS
Handlebar extender	Ritchey Logic Pro WCS
Handlebar stem details	Ritchey CompLite
Headset size	1 (inches) Threadless Ritchey Logic WCS

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Sachs SC-M90
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	120 (millimeters) Spindle Ritchey SuperLogic Pro WCS Titanium
Crankset parts and sizes	24/36/46 Teeth Ritchey Logic
Gear shift levers	Grip Shift SRT-800 X-Ray
Rear gear set	11 - 28 Teeth 8-speed

Ritchey P-20 Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 28.6 (millimeters) Shimano XTR
Derailleur (Rear)	Shimano Deore XT SGS
Fork material	Triple-clamp Crown Magnesium
Fork type	Rock Shox Judy SL

Other Specs of Ritchey P-20

Component group sets	Ritchey WCS
Pedals details	Ritchey Logic WCS Titanium Clipless
Rear shock absorber	Not Available
Saddle seat	Ritchey Vector Pro WCS
Seat post extension	27.0 (millimeters) Diameter Ritchey Pro WCS