Trek 820 2002 VS Specialized HARDROCK PRO DISC 2008 specs comparison

Trek 820 2002 comparison online with competitors

Trek 820

General Infos
Model 820
Manufacturer Trek
Year of production 2002
Current price Check price Here ==>   
Color choice - Dark Silver and Silver
-Dark Blue
Sizes - 13 (inches)
- 16.5 (inches)
- 18 (inches)
- 19.5 (inches)
- 21 (inches)
- 22.5 (inches)
- womens 17 (inches)
Sizes - 13 (inches)
- 16.5 (inches)
- 18 (inches)
- 19.5 (inches)
- 21 (inches)
- 22.5 (inches)
- womens 17 (inches)

Wheels And Breaking System

Bike front tire26 X 1.95 (inches) Bontrager Connection
Bike rear tireNot Available
Bike wheel size26 (inches) Wheels
Brakeset type Shimano EF-29 Levers
Aluminum Linear-pull Brakes
Hubs for disc brakes Q and R
Aluminum
Rims manufacturerMatrix 550
Spoke nipples typeNot Available
Spoke wheel 14ga. Straight Gauge
Stainless Steel

Frame and Body Specs

Frame materialsChromoly Seat Tube and hi-tensile Steel
Frame typeTIG-welded
Handlebar constructionHi-tensile Steel
Handlebar extenderOptional
Handlebar stem detailsAluminum Threadless
Headset size1 1/8 (inches) Aheadset

Gearing Specifications

Bicycle chain1/2 X 3/32 (inches)
Bottom bracket shell widthNot Available
Bottom bracket typeNot Available
Crankset parts and sizes 28/38/48 Teeth
Sun Race FC-M35
Gear shift leversShimano EF-29
Rear gear set 13 - 30 Teeth
7-speed

Trek 820 Fork System Data

Derailleur (Front)Shimano C051
Derailleur (Rear)Shimano Altus
Fork materialSingle Triple-clamp
Fork type 2.5 (inches) Travel
RST Capa-CL

Other Specs of Trek 820

Component group setsMountain Mix
Pedals detailsNylon Platform
Rear shock absorberNot Available
Saddle seatTrek ATB
Seat post extensionAluminum Micro-adjust


Specialized Hardrock Pro Disc 2008 comparison online with competitors

Specialized Hardrock Pro Disc

General Infos
Model Hardrock Pro Disc
Manufacturer Specialized
Year of production 2008
Current price Check price Here ==>   
Color choice - brown
-Charcoal and silver
Sizes - 12 (inches)
- 15 (inches)
- 17 (inches)
- 19 (inches)
- 21 (inches)
- 24 (inches)

Wheels And Breaking System

Bike front tire26 X 2.1 (inches) Specialized Resolution Wire
Bike rear tireNot Available
Bike wheel size26 (inches) Wheels
Brakeset type Avid FR-5 Levers
Avid BB-5 With 6 (inches) Rotor Brakes
Hubs for disc brakesSpecialized Hi-Lo Disc
Rims manufacturer 28-hole and 32-hole
Specialized and Alex HRD 26
Spoke nipples typeNot Available
Spoke wheel 15ga. Straight Gauge
Stainless Steel

Frame and Body Specs

Frame materialsA1 Premium Aluminum
Frame typeTIG-welded
Handlebar constructionSpecialized Alloy Enduro Riser
Handlebar extenderOptional
Handlebar stem detailsSpecialized 3D Forged Alloy 31.8 (millimeters)
Headset size1 1/8 (inches) Threadless

Gearing Specifications

Bicycle chain 1/2 X 3/32 (inches)
KMX X8
Bottom bracket shell width68 (millimeters)
Bottom bracket type 126 (millimeters) Spindle
Shimano BB-ES25
Crankset parts and sizes 22/32/44 Teeth
Shimano FC-M341-8
Gear shift leversShimano Acera SL-MC40
Rear gear set 11 - 32 Teeth
8-speed

Specialized Hardrock Pro Disc Fork System Data

Derailleur (Front) Top Swing
Shimano Altus FD-M310-6
Derailleur (Rear)Shimano Alivio RD-M410
Fork material Single Crown Crown
Aluminum and steel
Fork type 80/100 (millimeters) Travel
SR Suntour SF7-XCM-HLO

Other Specs of Specialized Hardrock Pro Disc

Component group setsMountain Mix
Pedals detailsSpecialized Alloy Platform
Rear shock absorberNot Available
Saddle seatSpecialized Aggro With Kevlar Sides
Seat post extension 30.9 (millimeters) Diameter
Specialized Alloy Two Bolt


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