Diamondback OCTANE 20 2011 VS Specialized ROCKHOPPER 2009 specs comparison

Diamondback Octane 20 2011 comparison online with competitors

Diamondback Octane 20

General Infos
Model Octane 20
Manufacturer Diamondback
Year of production 2011
Current price Check price Here ==>   
Color choice - purple
-Green
Sizes - Jr. MTN 20 (inches)
Sizes - Jr. MTN 20 (inches)

Wheels And Breaking System

Bike front tire20 X 2.0 (inches) Jr. ATB Knobby
Bike rear tireNot Available
Bike wheel size20 (inches) Wheels
Brakeset type Alloy Linear With Reach Adjust Levers
Alloy Linear Brakes
Hubs for disc brakesNutted
Rims manufacturer 36-hole
R-1000 Alloy
Spoke nipples typeNot Available
Spoke wheel14ga.

Frame and Body Specs

Frame materials6061heat-treated Aluminum
Frame typeAluminum
Handlebar constructionSteel Jr Riser 20.5 (inches) Wide X 1 (inches) Rise
Handlebar extenderOptional
Handlebar stem detailsAlloy Quill
Headset size1 1/8 (inches) Threaded

Gearing Specifications

Bicycle chainKMC Z51
Bottom bracket shell widthNot Available
Bottom bracket typeLoose Ball
Crankset parts and sizes 40T Teeth
1-piece
Gear shift leversShimano Revo Twist
Rear gear set 14 - 28 Teeth
6-speed

Diamondback Octane 20 Fork System Data

Derailleur (Front)Not Available
Derailleur (Rear)Shimano TZ-50
Fork materialNot Available
Fork type 30 (millimeters) Travel
Trail XC

Other Specs of Diamondback Octane 20

Component group setsMountain Mix
Pedals detailsResin
Rear shock absorberNot Available
Saddle seatJr ATB 2 Panel
Seat post extension 25.4 (millimeters) Diameter
Steel Pillar


Specialized Rockhopper 2009 comparison online with competitors

Specialized Rockhopper

General Infos
Model Rockhopper
Manufacturer Specialized
Year of production 2009
Current price Check price Here ==>   
Color choice -
- Satin Black KL
-Gloss Flo Red
Sizes - 13 (inches)
- 15 (inches)
- 17 (inches)
- 19 (inches)
- 21 (inches)
- 23 (inches)

Wheels And Breaking System

Bike front tire26 X 2.00 (inches) Specialized Fast Trak LK Sport
Bike rear tireNot Available
Bike wheel size26 (inches) Wheels
Brakeset type Specialized Linear Pull Levers
Alloy Linear Pull Brakes
Hubs for disc brakesSpecialized Forged Alloy
Rims manufacturer 28-hole and 32-hole
Specialized RHD
Spoke nipples typeNot Available
Spoke wheel 15ga.
Stainless Steel

Frame and Body Specs

Frame materialsM4 Aluminum
Frame typeTIG-welded
Handlebar constructionSpecialized Low Riser
Handlebar extenderOptional
Handlebar stem details 31.8 (millimeters)
Specialized 3D
Headset size1 1/8 (inches) Specialized Loose Ball

Gearing Specifications

Bicycle chainKMC X8
Bottom bracket shell width68 (millimeters)
Bottom bracket type 118 (millimeters) Spindle
Shimano BB-ES25
Crankset parts and sizes22/32/42 Teeth
Gear shift leversSRAM X.4 Trigger
Rear gear set 11 - 32 Teeth
8-speed

Specialized Rockhopper Fork System Data

Derailleur (Front)Shimano Altus
Derailleur (Rear)SRAM X.5 Medium Cage
Fork material Single Crown
Aluminum and chromoly
Fork type 100 (millimeters) Travel
RockShox Dart 3 SL

Other Specs of Specialized Rockhopper

Component group setsSRAM Mix
Pedals details Plastic Body
Steel Cage
Rear shock absorberNot Available
Saddle seatSpecialized XC Body Geometry
Seat post extension 30.9 (millimeters) Diameter
Micro Adjust
Specialized Alloy Two Bolt


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