2018 Specialized Bicycles Amira Base 48

Build

700C/29 in × 24 mm

Insights

Very upright stack and reach vs trend of triathlon bikes
Design deviates from other sizes of Specialized Bicycles Amira

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
516mm
Reach
371mm
Stack to Reach Ratio
1.39:1
Seat Tube Length, C-T
420mm
Top Tube Length, Effective/Horizontal Center
502mm
Top Tube Slope
12.9deg
Head Tube Angle
71.25deg
Seat Tube Angle
76deg
Head Tube Length
115mm
Bottom Bracket Drop
73mm
Bottom Bracket Height
262mm
Chainstay Length
405mm
Chainstay Length Horizontal
398.4mm
Front-Center
580.2mm
Front-Center Horizontal
575.6mm
Wheelbase
974mm
Fork Offset/Rake
54mm
Fork Length (Axle-To-Crown)
369mm
Trail
56.7mm
mid/​neutral
Mechanical Trail
53.7mm
Wheel Flop
17.3mm
Standover Height
718mm
Tire to Pedal Spindle Distance
With 170 mm cranks
75.2mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
92mm

Base Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
24mm
Tire Outer Diameter
670mm
Bike Length with Tires
1644mm
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/shop/Bikes/Road-Bikes/Triathlon-Bikes/Amira/c/triathlonAmira