2025 Ridley Bikes Astr Essential S

Build

700C/29 in × 47 mm

Insights

Somewhat aggressive stack and reach vs trend of all-road/gravel bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
550mm
Reach
392mm
Stack to Reach Ratio
1.4:1
Seat Tube Length, C-T
500mm
Top Tube Length, Effective/Horizontal Center
550mm
Top Tube Slope
7.5deg
Head Tube Angle
71deg
Seat Tube Angle
74deg
Head Tube Length
130mm
Bottom Bracket Drop
75mm
Bottom Bracket Height
283mm
Chainstay Length
425mm
Chainstay Length Horizontal
418.3mm
Front-Center
613.3mm
Front-Center Horizontal
608.7mm
Wheelbase
1027mm
Fork Offset/Rake
50.2mm
Trail
70.2mm
high
Mechanical Trail
66.3mm
Wheel Flop
21.6mm
Tire to Pedal Spindle Distance
With 170 mm cranks
85.3mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
113mm

Essential Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
47mm
Tire Outer Diameter
716mm
Bike Length with Tires
1743mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Carbon/Composite
Fork Material
Carbon/Composite
Brake Type
Disc
Source:https://www.ridley-bikes.com/en_AU/bikes/SBIASTRID078