2009 Jamis Bicycles Aurora Base 55
Build
700C/29 in × 32 mm
Insights
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Seat Tube Length, C-TTT | 550mm |
| Top Tube Length, Effective/Horizontal Center | 550mm |
| Head Tube Angle | 72deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 150mm |
| Bottom Bracket Drop | 68mm |
| Bottom Bracket Height | 275mm |
| Chainstay Length | 440mm |
| Chainstay Length Horizontal | 434.7mm |
| Front-Center | 596.2mm |
| Front-Center Horizontal | 592.3mm |
| Wheelbase | 1027mm |
| Fork Offset/Rake | 50mm |
| Trail | 58.9mm mid/neutral |
| Mechanical Trail | 56mm |
| Wheel Flop | 17.3mm |
| Standover Height | 814mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 83.2mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 105mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 32mm |
| Tire Outer Diameter | 686mm |
| Bike Length with Tires | 1713mm |
| Crank Length | 170mm |
| Handlebar Width | 420mm |
| Stem Length | 105mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Steel |
| Fork Material | Steel |
| Brake Type | Disc |
Source:http://www.jamisbikes.com/catalog_archive/09_JAMIS_CATALOG.pdf