2007 Giant Bicycles OCR Alliance 430
Build
700C/29 in × 27 mm
Insights
Average stack and reach vs trend of endurance road bikes
Design deviates from other sizes of Giant Bicycles OCR
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 525mm |
| Reach | 370mm |
| Stack to Reach Ratio | 1.42:1 |
| Seat Tube Length, C-T | 430mm |
| Top Tube Length, Effective/Horizontal Center | 512mm |
| Top Tube Slope | 12.8deg |
| Head Tube Angle | 71deg |
| Seat Tube Angle | 75deg |
| Head Tube Length | 125mm |
| Bottom Bracket Drop | 70mm |
| Bottom Bracket Height | 268mm |
| Chainstay Length | 418mm |
| Chainstay Length Horizontal | 412.1mm |
| Front-Center | 579.9mm |
| Front-Center Horizontal | 575.7mm |
| Wheelbase | 987.8mm |
| Fork Offset/Rake | 46.4mm |
| Trail | 67.4mm high |
| Mechanical Trail | 63.7mm |
| Wheel Flop | 20.7mm |
| Tire to Pedal Spindle Distance With 165 mm cranks | 76.9mm |
| Pedal Spindle to Ground Clearance With 165 mm cranks | 103mm |
Alliance Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 27mm |
| Tire Outer Diameter | 676mm |
| Bike Length with Tires | 1663.8mm |
| Crank Length | 165mm |
| Handlebar Width | 380mm |
| Stem Length | 90mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Unknown |
| Fork Material | Carbon/Composite |
| Brake Type | Rim |
Source:https://www.giant.co.jp/2007/road/perform/ocr-alliance.html