Jamis COMET 2007 VS GT TACHYON 4.0 2011 specs comparison

Jamis Comet
General InfosModel | Comet |
Manufacturer | Jamis |
Year of production | 2007 |
Current price | Check price Here ==> |
Color choice |
-Le Mans Blue and Pearl White |
Sizes |
- 51cm (centimeters) - 54cm (centimeters) - 56cm (centimeters) - 58cm (centimeters) - 61cm (centimeters) |
Sizes |
- 51cm (centimeters) - 54cm (centimeters) - 56cm (centimeters) - 58cm (centimeters) - 61cm (centimeters) |
Wheels And Breaking System
Bike front tire | 700 X 23c Vittoria Zaffiro |
Bike rear tire | Not Available |
Bike wheel size | 700c Wheels |
Brakeset type | Tektro RX 4.1 Levers Tektro Dual Pivot Brakes |
Hubs for disc brakes | Formula X-Aero XPR-3 |
Rims manufacturer | 18-hole and 24-hole Formula X-Aero XPR-3 |
Spoke nipples type | Not Available |
Spoke wheel | Aero |
Frame and Body Specs
Frame materials | 7005 Aluminum c |
Frame type | TIG-welded |
Handlebar construction | Syntace Stratos 400 |
Handlebar extender | Optional |
Handlebar stem details | Jamis |
Headset size | 1 (inches) Integrated FSA Orbit |
Gearing Specifications
Bicycle chain | Shimano CN-5600 |
Bottom bracket shell width | Not Available |
Bottom bracket type | FSA Mega EXO |
Crankset parts and sizes | 39/53 Teeth FSA Gossamer |
Gear shift levers | Shimano Dura-Ace Bar End |
Rear gear set | 11 - 23 Teeth 1-speed |
Jamis Comet Fork System Data
Derailleur (Front) | Braze-on Shimano 105 |
Derailleur (Rear) | Shimano 105 |
Fork material | Aero Crown Carbon and steel Steerer |
Fork type | Jamis |
Other Specs of Jamis Comet
Component group sets | Road Mix |
Pedals details | Optional |
Rear shock absorber | Not Available |
Saddle seat | Selle San Marco Ponza Lux |
Seat post extension | 27.2 (millimeters) Diameter Carbon Fiber Aero |

GT Tachyon 4.0
General InfosModel | Tachyon 4.0 |
Manufacturer | GT |
Year of production | 2011 |
Current price | Check price Here ==> |
Color choice |
-White |
Sizes |
- Extra small - Small - Medium - Large |
Wheels And Breaking System
Bike front tire | 700 X 32c Kenda Kwest |
Bike rear tire | Not Available |
Bike wheel size | 700c Wheels |
Brakeset type | Shimano EF-51 Levers Tektro RX-1 Brakes |
Hubs for disc brakes | Formula Alloy |
Rims manufacturer | 32-hole Jalco DRX3000 |
Spoke nipples type | Brass |
Spoke wheel | 14ga. Stainless |
Frame and Body Specs
Frame materials | Aluminum |
Frame type | Aluminum |
Handlebar construction | GT Flat Bar |
Handlebar extender | Optional |
Handlebar stem details | GT Alloy |
Headset size | Integrated Sealed |
Gearing Specifications
Bicycle chain | KMC HG39 |
Bottom bracket shell width | Not Available |
Bottom bracket type | Cartridge Sealed |
Crankset parts and sizes | 48/38/28t Teeth Shimano FC-M311 |
Gear shift levers | Shimano EF-51 |
Rear gear set | 11 - 32 Teeth 8-speed |
GT Tachyon 4.0 Fork System Data
Derailleur (Front) | Shimano M191 |
Derailleur (Rear) | Shimano Acera |
Fork material | Alloy |
Fork type | GT Type R Alloy |
Other Specs of GT Tachyon 4.0
Component group sets | Road Mix |
Pedals details | Alloy Body and Steel Cage |
Rear shock absorber | Not Available |
Saddle seat | GT Sport |
Seat post extension | GT Design Alloy |
Useful links and guides ....
- To know more about this exacte bike, Jamis provided us with the latest version of its Comet bike manual
- Find All parts, tires and accessories of Jamis Comet Road here
- Get your GT Tachyon 4.0 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for GT Tachyon 4.0 Road here