2020/OCR Classic Giant Bicycles OCR Alliance XS
Build
700C/29 in × 25 mm
Insights
Average stack and reach vs trend of performance road bikes
Design deviates from other sizes of Giant Bicycles OCR
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 512.7mm |
| Reach | 373mm |
| Stack to Reach Ratio | 1.37:1 |
| Head Tube Angle | 70.5deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 112mm |
| Bottom Bracket Drop | 75mm |
| Bottom Bracket Height | 261mm |
| Chainstay Length | 420mm |
| Chainstay Length Horizontal | 413.3mm |
| Front-Center | 585.9mm |
| Front-Center Horizontal | 581.1mm |
| Wheelbase | 994.3mm |
| Fork Offset/Rake | 50mm |
| Trail | 65.9mm high |
| Mechanical Trail | 62.2mm |
| Wheel Flop | 20.8mm |
| Tire to Pedal Spindle Distance With 165 mm cranks | 84.9mm |
| Pedal Spindle to Ground Clearance With 165 mm cranks | 96mm |
Alliance Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 25mm |
| Tire Outer Diameter | 672mm |
| Bike Length with Tires | 1666.3mm |
| Crank Length | 165mm |
| Handlebar Width | 400mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Aluminum |
| Fork Material | Carbon/Composite |
| Brake Type | Rim |
Published Sizing Recommendations
| Height | 158 cm to 172 cm |
Source:http://www.giantgd.com/bikes/showproduct.php?id=1501