2015 Specialized Bicycles Amira Base 54

Build

700C/29 in × 25 mm

Insights

Average stack and reach vs trend of performance road bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
547mm
Reach
378mm
Stack to Reach Ratio
1.45:1
Seat Tube Length, C-T
540mm
Top Tube Length, Effective/Horizontal Center
537mm
Top Tube Slope
3deg
Head Tube Angle
72deg
Seat Tube Angle
74deg
Head Tube Length
145mm
Bottom Bracket Drop
73mm
Bottom Bracket Height
263mm
Chainstay Length
405mm
Chainstay Length Horizontal
398.4mm
Front-Center
588mm
Front-Center Horizontal
583.6mm
Wheelbase
982mm
Fork Offset/Rake
49mm
Trail
57.7mm
mid/​neutral
Mechanical Trail
54.8mm
Wheel Flop
16.9mm
Standover Height
758mm
Tire to Pedal Spindle Distance
With 170 mm cranks
82mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
93mm

Base Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
25mm
Tire Outer Diameter
672mm
Bike Length with Tires
1654mm
Crank Length
170mm
Handlebar Width
400mm
Stem Length
100mm
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