Koga Miyata GRAN RACER 2004 VS GT GTR SERIES 4 2010 specs comparison
Koga Miyata Gran Racer
General Infos| Model | Gran Racer |
| Manufacturer | Koga Miyata |
| Year of production | 2004 |
| Current price | Check price Here ==> |
| Color choice |
-Blue Matte |
| Sizes |
- 46cm (centimeters) - 52cm (centimeters) - 54cm (centimeters) - 56cm (centimeters) - 58cm (centimeters) - 60cm (centimeters) - 63cm (centimeters) - 66cm (centimeters) |
| Sizes |
- 46cm (centimeters) - 52cm (centimeters) - 54cm (centimeters) - 56cm (centimeters) - 58cm (centimeters) - 60cm (centimeters) - 63cm (centimeters) - 66cm (centimeters) |
Wheels And Breaking System
| Bike front tire | 700 X 23c Continental Grand Prix |
| Bike rear tire | Not Available |
| Bike wheel size | 700c Wheels |
| Brakeset type | Shimano Tiagra STI Dual Control Levers Shimano Tiagra Dual Pivot Brakes |
| Hubs for disc brakes | Shimano Tiagra |
| Rims manufacturer | 36-hole Mach1 RJ350 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | Straight Gauge Sapim Stainless Steel |
Frame and Body Specs
| Frame materials | 7005 aluminum c |
| Frame type | TIG-welded |
| Handlebar construction | ITM Super Italian Pro 330 |
| Handlebar extender | Not Available |
| Handlebar stem details | ITM Forged Lite Luxe |
| Headset size | 1 1/8 (inches) Integrated Cane Creek ISDD |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) Shimano CN-HG73 |
| Bottom bracket shell width | 68 (millimeters) English |
| Bottom bracket type | 113 (millimeters) Spindle Shimano BB-UN53 |
| Crankset parts and sizes | 30/42/52 Teeth Shimano Tiagra |
| Gear shift levers | Shimano Tiagra STI Dual Control |
| Rear gear set | 12 - 25 Teeth 9-speed |
Koga Miyata Gran Racer Fork System Data
| Derailleur (Front) | Bottom-pull and clamp-on 31.8 (millimeters) Shimano Tiagra |
| Derailleur (Rear) | Shimano Tiagra SS |
| Fork material | Aero Crown Carbon Fiber |
| Fork type | Carbon Aero |
Other Specs of Koga Miyata Gran Racer
| Component group sets | Road Mix |
| Pedals details | Koga VP-R70 |
| Rear shock absorber | Not Available |
| Saddle seat | Selle San Marco Base |
| Seat post extension | 27.2 (millimeters) Diameter Aluminum Micro-adjust |
GT GTR Series 4
General Infos| Model | GTR Series 4 |
| Manufacturer | GT |
| Year of production | 2010 |
| Current price | Check price Here ==> |
| Color choice |
- Black and Lime -White and Blue |
| 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 | Chrome Plated 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 | Ritchey Comp 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 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 | Carbon Fiber and chromoly Steerer |
| Fork type | GT Carbon |
Other Specs of GT GTR Series 4
| Component group sets | Shimano Sora Mix |
| Pedals details | Nylon With Clip And Strap |
| Rear shock absorber | Not Available |
| Saddle seat | GT Road |
| Seat post extension | Alloy |
Useful links and guides ....
- To know more about this exacte bike, Koga Miyata provided us with the latest version of its Gran Racer bike manual
- Find All parts, tires and accessories of Koga Miyata Gran Racer Road here
- Get your GT GTR Series 4 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for GT GTR Series 4 Road here