2018 Specialized Bicycles Amira Base 51

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
529mm
Reach
378mm
Stack to Reach Ratio
1.4:1
Seat Tube Length, C-T
460mm
Top Tube Length, Effective/Horizontal Center
515mm
Top Tube Slope
9.6deg
Head Tube Angle
72deg
Seat Tube Angle
76deg
Head Tube Length
125mm
Bottom Bracket Drop
73mm
Bottom Bracket Height
262mm
Chainstay Length
405mm
Chainstay Length Horizontal
398.4mm
Front-Center
582.2mm
Front-Center Horizontal
577.6mm
Wheelbase
976mm
Fork Offset/Rake
49mm
Fork Length (Axle-To-Crown)
369mm
Trail
57.3mm
mid/​neutral
Mechanical Trail
54.5mm
Wheel Flop
16.9mm
Standover Height
735mm
Tire to Pedal Spindle Distance
With 170 mm cranks
77.2mm
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
1646mm
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