GT GTR SERIES 2 2010 VS Marin PORTOFINO 2003 specs comparison

GT GTR Series 2
General InfosModel | GTR Series 2 |
Manufacturer | GT |
Year of production | 2010 |
Current price | Check price Here ==> |
Color choice | -Silver and Carbon and Blue |
Sizes | - Xsmall - small - medium - large - xlarge |
Sizes | - Xsmall - small - medium - large - xlarge |
Wheels And Breaking System
Bike front tire | 700 X 23c Vittoria Rubino II |
Bike rear tire | Not Available |
Bike wheel size | 700c Wheels |
Brakeset type | Shimano 105 STI LeversTektro Skeleton Forged Dual Pivot Brakes |
Hubs for disc brakes | Shimano 105 |
Rims manufacturer | Mavic CXP 22 |
Spoke nipples type | Chrome Plated Brass |
Spoke wheel | 15ga. Stainless |
Frame and Body Specs
Frame materials | Kinesis 6061 Butted and hydroformed Tubing With Carbon Seat Stays |
Frame type | TIG-welded and bonded |
Handlebar construction | GT 6061 |
Handlebar extender | Optional |
Handlebar stem details | Ritchey Pro |
Headset size | 1 1/8" c |
Gearing Specifications
Bicycle chain | Shimano HG73 |
Bottom bracket shell width | Not Available |
Bottom bracket type | FSA Mega EXO |
Crankset parts and sizes | 34/50 TeethFSA Gossamer Mega Exo |
Gear shift levers | Shimano 105 STI |
Rear gear set | 11 - 25 Teeth10-speed |
GT GTR Series 2 Fork System Data
Derailleur (Front) | Shimano 105 |
Derailleur (Rear) | Shimano 105 |
Fork material | Carbon Fiber and aluminum Steerer |
Fork type | GT Carbon |
Other Specs of GT GTR Series 2
Component group sets | Shimano 105 Mix |
Pedals details | Not Available |
Rear shock absorber | Not Available |
Saddle seat | Selle San Marco Ponza |
Seat post extension | Ritchey Pro |

Marin Portofino
General InfosModel | Portofino |
Manufacturer | Marin |
Year of production | 2003 |
Current price | Check price Here ==> |
Color choice | -Black |
Sizes | - 48cm (centimeters)- 51cm (centimeters)- 53cm (centimeters)- 55cm (centimeters)- 57cm (centimeters)- 59cm (centimeters) |
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 Sora STI Dual Control LeversShimano Sora Dual Pivot Brakes |
Hubs for disc brakes | Formula Xero Lite XR4 |
Rims manufacturer | 20-hole and 24-holeFormula Xero Lite XR4 |
Spoke nipples type | Not Available |
Spoke wheel | Formula |
Frame and Body Specs
Frame materials | Columbus Thron |
Frame type | TIG-welded |
Handlebar construction | Cinelli Altera |
Handlebar extender | Optional |
Handlebar stem details | 3T Mutant |
Headset size | 1 (inches) Ritchey Logic |
Gearing Specifications
Bicycle chain | 1/2 X 3/32 (inches)Shimano CN-UG50 |
Bottom bracket shell width | 68 (millimeters) English |
Bottom bracket type | Sealed Cartridge |
Crankset parts and sizes | 30/42/52 TeethShimano Sora |
Gear shift levers | Shimano Sora STI Dual Control |
Rear gear set | 12 - 25 Teeth8-speed |
Marin Portofino Fork System Data
Derailleur (Front) | Shimano Sora Triple |
Derailleur (Rear) | Shimano Sora GS |
Fork material | Unicrown CrownCarbon Fiber Composite |
Fork type | Not Available |
Other Specs of Marin Portofino
Component group sets | Shimano Sora Triple |
Pedals details | Aluminum Cage With Clips & Straps |
Rear shock absorber | Not Available |
Saddle seat | Selle Italia XO |
Seat post extension | Aluminum Micro-adjust |
Useful links and guides ....
- To know more about this exacte bike, GT provided us with the latest version of its GTR Series 2 bike manual
- Find All parts, tires and accessories of GT GTR Series 2 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