GT GTR SERIES 4 2009 VS Jamis COMET 18 2004 specs comparison
GT GTR Series 4
General Infos| Model | GTR Series 4 |
| Manufacturer | GT |
| Year of production | 2009 |
| Current price | Check price Here ==> |
| Color choice |
-White |
| Sizes |
- Xsmall - small - medium - large - xlarge |
| Sizes |
- Xsmall - small - medium - large - xlarge |
Wheels And Breaking System
| Bike front tire | 700 X 23c Vittoria Zaffiro |
| Bike rear tire | Not Available |
| Bike wheel size | 700c Wheels |
| Brakeset type | Shimano STI Levers Dual Pivot Brakes |
| Hubs for disc brakes | Rear: Formula Cassette Front: Formula |
| Rims manufacturer | Alex R500 |
| Spoke nipples type | Brass |
| Spoke wheel | 15ga. Stainless |
Frame and Body Specs
| Frame materials | Kinesis 6061 Butted and hydroformed Tubing |
| Frame type | TIG-welded |
| Handlebar construction | GT 6061 |
| Handlebar extender | Optional |
| Handlebar stem details | 3D Forged |
| Headset size | 1 1/8 (inches) TH Sealed |
Gearing Specifications
| Bicycle chain | Shimano |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Sealed Cartridge |
| Crankset parts and sizes | 39/50 Teeth FSA Vero |
| Gear shift levers | Shimano STI |
| Rear gear set | 12 - 25 Teeth 8-speed |
GT GTR Series 4 Fork System Data
| Derailleur (Front) | Shimano Compact |
| Derailleur (Rear) | Shimano Sora |
| Fork material | Aero Crown Carbon Fiber and chromoly Steerer |
| Fork type | GT Carbon |
Other Specs of GT GTR Series 4
| Component group sets | Shimano Sora |
| Pedals details | Nylon With Clip And Strap |
| Rear shock absorber | Not Available |
| Saddle seat | GT Road |
| Seat post extension | Alloy |
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 |
Wheels And Breaking System
| Bike front tire | 700 X 23c Hutchinson Carbon Comp |
| Bike rear tire | Not Available |
| Bike wheel size | 700c Wheels |
| Brakeset type | Shimano Ultegra STI Dual Control Levers Shimano Ultegra Dual Pivot Brakes |
| Hubs for disc brakes | Not Available |
| Rims manufacturer | Mavic Ksyrium Elite |
| Spoke nipples type | Not Available |
| Spoke wheel | Mavic |
Frame and Body Specs
| Frame materials | Aluminum and carbon Fiber |
| Frame type | TIG-welded |
| Handlebar construction | Easton EA70 |
| Handlebar extender | Optional |
| Handlebar stem details | Easton EA-70 |
| Headset size | 1 1/8 (inches) Threadless Cane Creek ZS-2 |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) Shimano CN-HG92 |
| Bottom bracket shell width | 68 (millimeters) English |
| Bottom bracket type | 109.5 (millimeters) Spindle Shimano Ultegra |
| Crankset parts and sizes | 39/53 Teeth Shimano Ultegra |
| Gear shift levers | Shimano 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 type | Easton EC70 |
Other Specs of Jamis Comet 18
| Component group sets | Shimano Ultegra |
| Pedals details | Optional |
| Rear shock absorber | Not Available |
| Saddle seat | Titanium Rails Fi'zi:k Pave |
| Seat post extension | 27.2 (millimeters) Diameter Micro-adjust Carbon Fiber |
Useful links and guides ....
- To know more about this exacte bike, GT provided us with the latest version of its GTR Series 4 bike manual
- Find All parts, tires and accessories of GT GTR Series 4 Road here
- Get your Jamis Comet 18 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Jamis Comet 18 Road here
