2017 Jamis Bicycles Aurora Base 57
Build
700C/29 in × 32 mm
Stack and Reach vs. Category Trend
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Geometry
| Stack | 588mm |
| Reach | 376mm |
| Stack to Reach Ratio | 1.56:1 |
| Seat Tube Length, C-T | 570mm |
| Top Tube Length, Effective/Horizontal Center | 567mm |
| Top Tube Slope | 4.8deg |
| Head Tube Angle | 71.5deg |
| Seat Tube Angle | 72deg |
| Head Tube Length | 165mm |
| Bottom Bracket Drop | 65mm |
| Bottom Bracket Height | 278mm |
| Chainstay Length | 440mm |
| Chainstay Length Horizontal | 435.2mm |
| Front-Center | 607.3mm |
| Front-Center Horizontal | 603.8mm |
| Wheelbase | 1039mm |
| Fork Offset/Rake | 50mm |
| Trail | 62mm mid/neutral |
| Mechanical Trail | 58.8mm |
| Wheel Flop | 18.7mm |
| Standover Height | 842mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 94.3mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 108mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 32mm |
| Tire Outer Diameter | 686mm |
| Bike Length with Tires | 1725mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Steel |
| Fork Material | Steel |
| Brake Type | Disc |
Source:http://www.jamisbikes.com/usa/aurora.html