Ritchey P-21 1996 VS Trek 820 2011 specs comparison

Ritchey P-21

General Infos

Model	P-21
Manufacturer	Ritchey
Year of production	1996
Current price	Check price Here ==>
Color choice	-Red and white and blue fade
Sizes	- 14 (inches) - 15 (inches) - 16 (inches) - 17 (inches) - 18 (inches) - 19 (inches) - 20 (inches) - 21 (inches) - 22 (inches) - 23 (inches)
Sizes	- 14 (inches) - 15 (inches) - 16 (inches) - 17 (inches) - 18 (inches) - 19 (inches) - 20 (inches) - 21 (inches) - 22 (inches) - 23 (inches)

Wheels And Breaking System

Bike front tire	Rear: 26 X 2.10 (inches) Ritchey Omega Bite HD Kevlar Front: 26 X 2.10 (inches) Ritchey Alphabite HD Kevlar
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Ritchey Logic Levers Ritchey Logic Brakes
Hubs for disc brakes	Not Available
Rims manufacturer	32-hole Rear: Ritchey Rock 415 Front: Ritchey Rock 395
Spoke nipples type	Alloy Nipples
Spoke wheel	1.8 (millimeters) Double Butted Ritchey Stainless Steel

Frame and Body Specs

Frame materials	Ritchey WCS Prestige
Frame type	TIG-welded Steel & Fillet-brazed Steel
Handlebar construction	Ritchey ProLite
Handlebar extender	Ritchey Expert
Handlebar stem details	Ritchey ForceLite
Headset size	1 (inches) Ritchey Fuzzy Logic

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Sachs SCM55
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	120 (millimeters) Spindle Ritchey ProLite
Crankset parts and sizes	24/36/46 Teeth Ritchey Logic
Gear shift levers	Grip Shift SRT-800 X-Ray
Rear gear set	12 - 26 Teeth 8-speed

Ritchey P-21 Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 28.6 (millimeters) Shimano Deore XT
Derailleur (Rear)	Shimano Deore XT GS
Fork material	Triple-clamp Crown Aluminum and magnesium
Fork type	Rock Shox Judy XC

Other Specs of Ritchey P-21

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

Trek 820

General Infos

Model	820
Manufacturer	Trek
Year of production	2011
Current price	Check price Here ==>
Color choice	-Gloss Black
Sizes	- 13 (inches) - 16 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.0 (inches) Bontrager LT3
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano EF40 Levers Tektro V Brakes
Hubs for disc brakes	Rear: Formula FM31 Front: Formula FM21
Rims manufacturer	36-hole Bontrager 550
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	Steel
Frame type	TIG-welded
Handlebar construction	Bontrager Approved Riser
Handlebar extender	Optional
Handlebar stem details	Bontrager Approved
Headset size	1 1/8 (inches) Threadless Semi Integrated

Gearing Specifications

Bicycle chain	Not Available
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	28/38/48 Teeth Hawk DX
Gear shift levers	Shimano EF40
Rear gear set	13 - 34 Teeth 7-speed

Trek 820 Fork System Data

Derailleur (Front)	Shimano TX51
Derailleur (Rear)	Shimano TX31
Fork material	Single
Fork type	63 (millimeters) Travel SR Suntour M-2025

Other Specs of Trek 820

Component group sets	Shimano Mix
Pedals details	Wellgo Nylon Platform
Rear shock absorber	Not Available
Saddle seat	Bontager SSR
Seat post extension	31.6 (millimeters) Diameter Bontrager SSR