GT GTR SERIES 4 2008 VS Marin PORTOFINO 2004 specs comparison
GT GTR Series 4
General Infos| Model | GTR Series 4 |
| Manufacturer | GT |
| Year of production | 2008 |
| Current price | Check price Here ==> |
| Color choice |
-Black |
| 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 Shimano Brakes |
| Hubs for disc brakes | Rear: Formula Sealed Casette Front: Formula Sealed |
| Rims manufacturer | Alex R500 |
| Spoke nipples type | Brass CP |
| Spoke wheel | 15ga. Stainless Steel |
Frame and Body Specs
| Frame materials | Kinesis 6061 Butted Tubing |
| Frame type | TIG-welded |
| Handlebar construction | GT 6061 |
| Handlebar extender | Optional |
| Handlebar stem details | 3D Forged Alloy |
| Headset size | 1 1/8 (inches) TH |
Gearing Specifications
| Bicycle chain | Not Available |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Not Available |
| Crankset parts and sizes | 39/50 Teeth FSA Vero Compact |
| 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 Aluminum |
| Fork type | Not Available |
Other Specs of GT GTR Series 4
| Component group sets | Shimano Tiagra |
| Pedals details | Nylon With Clip And Strap |
| Rear shock absorber | Not Available |
| Saddle seat | GT Road |
| Seat post extension | Alloy |
Marin Portofino
General Infos| Model | Portofino |
| Manufacturer | Marin |
| Year of production | 2004 |
| Current price | Check price Here ==> |
| Color choice |
-Gloss Metallic Black and Silver |
| Sizes |
- Small - Medium - Large - Extra large |
Wheels And Breaking System
| Bike front tire | 700 X 28c Kenda Road |
| Bike rear tire | Not Available |
| Bike wheel size | 700c Wheels |
| Brakeset type | Shimano Sora STI Dual Control Levers Shimano Sora Dual Pivot Brakes |
| Hubs for disc brakes | Shimano 2200 |
| Rims manufacturer | 32-hole Mavic CXP 22 |
| Spoke nipples type | Aluminum Nipples |
| Spoke wheel | 15ga. Straight Gauge DT Stainless Steel |
Frame and Body Specs
| Frame materials | /carbon Fiber Columbus Thron |
| Frame type | TIG-welded |
| Handlebar construction | Cinelli Altera |
| Handlebar extender | Optional |
| Handlebar stem details | Forged And CNC 4 Bolt Road |
| Headset size | 1 1/8 (inches) Threadless Ritchey Logic |
Gearing Specifications
| Bicycle chain | Shimano HG-50 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | TruVativ Cartridge |
| Crankset parts and sizes | 30/42/52 Teeth TruVativ Touro |
| Gear shift levers | Shimano Sora STI Dual Control |
| Rear gear set | 12 - 24 Teeth 8-speed |
Marin Portofino Fork System Data
| Derailleur (Front) | Shimano FD-2203 |
| Derailleur (Rear) | Shimano Sora |
| Fork material | Carbon Fiber |
| Fork type | Not Available |
Other Specs of Marin Portofino
| Component group sets | Road Mix |
| Pedals details | Toe Clip And Strap Alloy |
| Rear shock absorber | Not Available |
| Saddle seat | Selle Italia XO XP |
| Seat post extension | Comp 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 4 bike manual
- Find All parts, tires and accessories of GT GTR Series 4 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