Giant OCR A1 2007 Technical specs and features
| Brand | Giant |
| Model | OCR A1 |
| First production | 2007 |
| Bike category | Road |
| Bike sub-category | Road Race & Triathlon |
| Bike Pricing | Check price Here ==> |
| Parts And Accessories | Giant OCR A1 Parts |
| Available Sizes | - XS - - S - M - L - XL |
Wheels And Breaking System
| Bike front tire | 700 X 25c Hutchinson Top Speed |
| Bike rear tire | Not Available |
| Bike wheel size | 700c Wheels |
| Brakeset type | Shimano 105 STI Dual Control Levers Tektro 521AG Brakes |
| Hubs for disc brakes | Xero XSR-3 |
| Rims manufacturer | Xero XSR-3 |
| Spoke nipples type | Not Available |
| Spoke wheel | Wheelset Xero |
Frame and Body Specifications
| Frame materials | Giant Alliance Composite and AL |
| Frame type | TIG-welded and bonded |
| Handlebar construction | 6061 Aluminum c |
| Handlebar extender | Optional |
| Handlebar stem details | Easton EA30 |
| Headset size | 1 1/8 (inches) Threadless |
Gearing Specs
| Bicycle chain | 1/2 X 3/32 (inches) Shimano 105 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Shimano External Bearing |
| Crankset parts and sizes | 34/50 Teeth Shimano FC-R600 |
| Gear shift levers | Shimano 105 STI Dual Control |
| Rear gear set | 12 - 25 Teeth 10-speed |
Giant OCR A1 Fork System Data
| Derailleur (Front) | Shimano 105 |
| Derailleur (Rear) | Shimano 105 SS |
| Fork material | Aero Crown Carbon Fiber and aluminum Steerer |
| Fork type | Giant FormulaOne |
Other Specs of Giant OCR A1
| Component group sets | Shimano 105 |
| Available colors | - Brushed and Composite and Red |
| Weight | Unspecified |
| Pedals details | Not Available |
| Rear shock absorber | Not Available |
| Saddle seat | Fi'zi:k Aliante Delta Manganese Rails |
| Seat post extension | Giant FormulaOne |
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Giant OCR A1 bike review
Giant produced the OCR A1 bike in 2007 and can be classified as a Road bicycle, this exact model costs in american market arround $1,400.00.
OCR A1 bike is available in many sizes such as XS , , S , M , L and XL .
Giant Road OCR A1 can be found in a few colors, among these colors Brushed and Composite and Red .
This bike is equiped with 700 x 25c Hutchinson Top Speed tires and Xero spoke wheel while the rims are manufactured by Xero XSR-3. Giant equiped this exact model with Tektro 521AG brakes, Shimano 105 STI Dual Control levers braking system and Xero XSR-3 hubs.
To guarantee the comfiest ride Giant used Giant Alliance Composite/AL material for the frame. 6061 Aluminum high strength material is used on the handlebar of this OCR A1 to ensure the perfect handling while the stems are made of Easton EA30.
For the smoothest biking experience Shimano FC-R600, 34/50 teeth is used on this bicycle linked to Shimano 105 chain that is easily replaceable as stated by Giant, the whole system is connected to a high reliability Shimano 105 STI Dual Control gear shift levers.