2025 Ridley Bikes Omnium Base S

Build

700C/29 in × 23 mm

Insights

Very aggressive stack and reach vs trend of track/fixed-gear bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
485mm
Reach
409mm
Stack to Reach Ratio
1.19:1
Seat Tube Length, Unknown
470mm
Top Tube Length, Effective/Horizontal Unknown
530mm
Top Tube Slope
3.2deg
Head Tube Angle
74deg
Seat Tube Angle
76deg
Head Tube Length
90mm
Bottom Bracket Drop
55mm
Bottom Bracket Height
279mm
Chainstay Length
380mm
Chainstay Length Horizontal
376mm
Front-Center
581.6mm
Front-Center Horizontal
579mm
Wheelbase
955mm
Fork Offset/Rake
44.9mm
Trail
49.1mm
mid/​neutral
Mechanical Trail
47.2mm
Wheel Flop
13mm
Standover Height
725mm
Tire to Pedal Spindle Distance
With 170 mm cranks
77.6mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
109mm

Base Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
23mm
Tire Outer Diameter
668mm
Bike Length with Tires
1623mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Carbon/Composite
Fork Material
Carbon/Composite
Brake Type
Unknown
Source:https://www.ridley-bikes.com/en_US/bikes/SBIARORID002