2011 Specialized Bicycles Amira S-Works 51
Build
700C/29 in × 23 mm
Insights
Stack and Reach vs. Category Trend
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Geometry
| Seat Tube Length, C-T | 450mm |
| Seat Tube Length, Effective Unknown | 350mm |
| Top Tube Length, Effective/Horizontal Center | 518mm |
| Head Tube Angle | 72deg |
| Seat Tube Angle | 75.5deg |
| Head Tube Length | 125mm |
| Bottom Bracket Drop | 73mm |
| Bottom Bracket Height | 261mm |
| Chainstay Length | 405mm |
| Chainstay Length Horizontal | 398.4mm |
| Front-Center | 582mm |
| Front-Center Horizontal | 577.6mm |
| Wheelbase | 976mm |
| Fork Offset/Rake | 49mm |
| Trail | 57mm mid/neutral |
| Mechanical Trail | 54.2mm |
| Wheel Flop | 16.8mm |
| Standover Height | 735mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 78mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 91mm |
S-Works Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 23mm |
| Tire Outer Diameter | 668mm |
| Bike Length with Tires | 1644mm |
| Crank Length | 170mm |
| Handlebar Width | 400mm |
| Stem Length | 90mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Carbon/Composite |
| Fork Material | Carbon/Composite |
| Brake Type | Rim |
Source:http://frameandwheelservices.blogspot.com/2012/08/2010-specialized-amira-comp-48cm-carbon.html