Jamis COMET 18 2004 VS GT TACHYON 3.0 2011 specs comparison

Jamis Comet 18 2004 comparison online with competitors

Jamis Comet 18

General Infos
Model Comet 18
Manufacturer Jamis
Year of production 2004
Current price Check price Here ==>   
Color choice -Flame Red and Gloss Black
Sizes - Extra small
- Small
- Medium
- Large
- Extra large
Sizes - Extra small
- Small
- Medium
- Large
- Extra large

Wheels And Breaking System

Bike front tire700 X 23c Hutchinson Carbon Comp
Bike rear tireNot Available
Bike wheel size700c Wheels
Brakeset type Shimano Ultegra STI Dual Control Levers
Shimano Ultegra Dual Pivot Brakes
Hubs for disc brakesNot Available
Rims manufacturerMavic Ksyrium Elite
Spoke nipples typeNot Available
Spoke wheelMavic

Frame and Body Specs

Frame materialsAluminum and carbon Fiber
Frame typeTIG-welded
Handlebar constructionEaston EA70
Handlebar extenderOptional
Handlebar stem detailsEaston EA-70
Headset size1 1/8 (inches) Threadless Cane Creek ZS-2

Gearing Specifications

Bicycle chain 1/2 X 3/32 (inches)
Shimano CN-HG92
Bottom bracket shell width68 (millimeters) English
Bottom bracket type 109.5 (millimeters) Spindle
Shimano Ultegra
Crankset parts and sizes 39/53 Teeth
Shimano Ultegra
Gear shift leversShimano Ultegra STI Dual Control
Rear gear set 11 - 23 Teeth
9-speed

Jamis Comet 18 Fork System Data

Derailleur (Front) Bottom-pull and clamp-on 31.8 (millimeters)
Shimano Ultegra
Derailleur (Rear)Shimano Ultegra SS
Fork material Aero Crown
Carbon Fiber Composite With Aluminum Steerer
Fork typeEaston EC70

Other Specs of Jamis Comet 18

Component group setsShimano Ultegra
Pedals detailsOptional
Rear shock absorberNot Available
Saddle seat Titanium Rails
Fi'zi:k Pave
Seat post extension 27.2 (millimeters) Diameter
Micro-adjust
Carbon Fiber


GT Tachyon 3.0 2011 comparison online with competitors

GT Tachyon 3.0

General Infos
Model Tachyon 3.0
Manufacturer GT
Year of production 2011
Current price Check price Here ==>   
Color choice -Stain silver
Sizes - Large frame

Wheels And Breaking System

Bike front tire700 X 32c Kenda Kiniption
Bike rear tireNot Available
Bike wheel size700c Wheels
Brakeset type Shimano ST-R221 Levers
Tektro RX-1 Brakes
Hubs for disc brakesFormula Alloy
Rims manufacturer 32-hole
Jalco DRX3000
Spoke nipples typeAlloy
Spoke wheel 14ga.
Stainless

Frame and Body Specs

Frame materialsAluminum
Frame typeAluminum
Handlebar constructionGT Flat Bar
Handlebar extenderOptional
Handlebar stem detailsNVO Adjustable
Headset sizeIntegrated Sealed

Gearing Specifications

Bicycle chainKMC HG40
Bottom bracket shell widthNot Available
Bottom bracket typeCartridge Sealed
Crankset parts and sizes 52/42/30t Teeth
FSA CK-200
Gear shift leversShimano ST-R221
Rear gear set 13 - 26 Teeth
8-speed

GT Tachyon 3.0 Fork System Data

Derailleur (Front)Shimano R443
Derailleur (Rear)Shimano 2300
Fork materialCarbon
Fork typeGT Type R Carbon

Other Specs of GT Tachyon 3.0

Component group setsRoad Mix
Pedals detailsAlloy Body and Steel Cage
Rear shock absorberNot Available
Saddle seatGT Type R Race
Seat post extensionGT Design Alloy


Useful links and guides ....