GT GTR SERIES TWO 2008 VS Marin PORTOFINO 2011 specs comparison
GT GTR Series Two
General Infos| Model | GTR Series Two |
| Manufacturer | GT |
| Year of production | 2008 |
| Current price | Check price Here ==> |
| Color choice |
-Gray |
| 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 105 STI Levers Shimano 105 Brakes |
| Hubs for disc brakes | Shimano 105 |
| Rims manufacturer | 32-hole Alex D22 |
| Spoke nipples type | Brass CP |
| Spoke wheel | 15ga. Stainless Steel |
Frame and Body Specs
| Frame materials | Kinesis 6061 With Carbon Seatstays |
| Frame type | TIG-welded and bonded |
| Handlebar construction | GT 6061 |
| Handlebar extender | Optional |
| Handlebar stem details | 3D Forged Alloy |
| Headset size | 1 1/8 (inches) TH |
Gearing Specifications
| Bicycle chain | Shimano HG73 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Shimano Hollowtech II |
| Crankset parts and sizes | 34/50 Teeth Shimano 105 Compact |
| Gear shift levers | Shimano 105 STI |
| Rear gear set | 11 - 25 Teeth 10-speed |
GT GTR Series Two Fork System Data
| Derailleur (Front) | Shimano 105 Compact |
| Derailleur (Rear) | Shimano 105 |
| Fork material | Aero Crown Carbon |
| Fork type | Kinesis |
Other Specs of GT GTR Series Two
| Component group sets | Shimano 105 |
| Pedals details | Wellgo Clipless |
| Rear shock absorber | Not Available |
| Saddle seat | Selle San Marco Ponza |
| Seat post extension | Ritchey Pro Carbon |
Marin Portofino
General Infos| Model | Portofino |
| Manufacturer | Marin |
| Year of production | 2011 |
| Current price | Check price Here ==> |
| Color choice |
-Black and orange |
| Sizes |
- Extra small - Small - Medium - Large |
Wheels And Breaking System
| Bike front tire | 700 X 23c Kenda Koncept |
| Bike rear tire | Not Available |
| Bike wheel size | 700c Wheels |
| Brakeset type | Shimano Integrated Levers Dual Pivot Brakes |
| Hubs for disc brakes | Formula |
| Rims manufacturer | 28-hole and 32-hole Alex R450 |
| Spoke nipples type | Not Available |
| Spoke wheel | 15ga. WTB Stainless |
Frame and Body Specs
| Frame materials | 6061 Double Butted Aluminum |
| Frame type | Aluminum |
| Handlebar construction | FSA Vero Compact |
| Handlebar extender | Optional |
| Handlebar stem details | Alloy Threadless |
| Headset size | 1 1/8 (inches) Ritchey Logic Comp |
Gearing Specifications
| Bicycle chain | Shimano HG40 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Sealed Cartridge |
| Crankset parts and sizes | 52/42/30t Teeth FSA Vero Triple |
| Gear shift levers | Shimano 2300 STI |
| Rear gear set | 12 - 25 Teeth 8-speed |
Marin Portofino Fork System Data
| Derailleur (Front) | Shimano 2300 |
| Derailleur (Rear) | Shimano Sora |
| Fork material | Carbon |
| Fork type | RFE Carbon |
Other Specs of Marin Portofino
| Component group sets | Shimano Mix |
| Pedals details | Not Available |
| Rear shock absorber | Not Available |
| Saddle seat | Marin Plush Road |
| Seat post extension | 27.2 (millimeters) Diameter Alloy Micro Adjust |
Useful links and guides ....
- To know more about this exacte bike, GT provided us with the latest version of its GTR Series Two bike manual
- Find All parts, tires and accessories of GT GTR Series Two Road here
- Get your Marin Portofino manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Marin Portofino Road here