2015 Specialized Bicycles Amira Base 48
Build
700C/29 in × 25 mm
Insights
Average stack and reach vs trend of performance road bikes
Design deviates from other sizes of Specialized Bicycles Amira
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 515mm |
| Reach | 371mm |
| Stack to Reach Ratio | 1.39:1 |
| Seat Tube Length, C-T | 480mm |
| Top Tube Length, Effective/Horizontal Center | 506mm |
| Top Tube Slope | 5.8deg |
| Head Tube Angle | 71.25deg |
| Seat Tube Angle | 75.75deg |
| Head Tube Length | 115mm |
| Bottom Bracket Drop | 73mm |
| Bottom Bracket Height | 263mm |
| Chainstay Length | 405mm |
| Chainstay Length Horizontal | 398.4mm |
| Front-Center | 580mm |
| Front-Center Horizontal | 575.6mm |
| Wheelbase | 974mm |
| Fork Offset/Rake | 51mm |
| Trail | 60.2mm mid/neutral |
| Mechanical Trail | 57mm |
| Wheel Flop | 18.3mm |
| Standover Height | 718mm |
| Tire to Pedal Spindle Distance With 165 mm cranks | 79mm |
| Pedal Spindle to Ground Clearance With 165 mm cranks | 98mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 25mm |
| Tire Outer Diameter | 672mm |
| Bike Length with Tires | 1646mm |
| Crank Length | 165mm |
| Handlebar Width | 380mm |
| Stem Length | 75mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Carbon/Composite |
| Fork Material | Carbon/Composite |
| Brake Type | Rim |
| Features | Women's |
Source:https://www.specialized.com/us/en/amira-sl4-comp/p/65598?color=174547-65598