2025 Ridley Bikes Omnium Base

Design
Drop Bar, Rigid, non-suspension corrected
Frame
Carbon/Composite
Fork
Carbon/Composite
Very aggressive stack and reachvs category
Very aggressive stack and reachvs category
Very aggressive stack and reachvs category

Geometry

S
M
L
Stack
485mm
514mm
542mm
Reach
409mm
428mm
460mm
Stack to Reach Ratio
1.19:1
1.2:1
1.18:1
Seat Tube Length, Unknown
470mm
500mm
540mm
Top Tube Length, Effective/Horizontal Unknown
530mm
570mm
610mm
Top Tube Slope
3.2deg
3.3deg
2.1deg
Head Tube Angle
74deg
74deg
74deg
Seat Tube Angle
76deg
74.5deg
74.5deg
Head Tube Length
90mm
120mm
150mm
Bottom Bracket Drop
55mm
55mm
55mm
Bottom Bracket Height
279mm
279mm
279mm
Chainstay Length
380mm
380mm
380mm
Chainstay Length Horizontal
376mm
376mm
376mm
Front-Center
581.6mm
608.5mm
648.3mm
Front-Center Horizontal
579mm
606mm
646mm
Wheelbase
955mm
982mm
1022mm
Fork Offset/Rake
44.9mm
44.6mm
44.6mm
Trail
49.1mm
mid/​neutral
49.4mm
mid/​neutral
49.4mm
mid/​neutral
Mechanical Trail
47.2mm
47.5mm
47.5mm
Wheel Flop
13mm
13.1mm
13.1mm
Standover Height
725mm
754mm
782mm
Tire to Pedal Spindle
77.6mm
170 mm cranks
104.5mm
170 mm cranks
144.3mm
170 mm cranks
Pedal Spindle to Ground Clearance
109mm
170 mm cranks
109mm
170 mm cranks
109mm
170 mm cranks

Base Build

S
M
L
Wheel Size
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
Tire Width
23mm
23mm
23mm
Tire Outer Diameter
668mm
668mm
668mm
Bike Length with Tires
1623mm
1650mm
1690mm

Stack and Reach vs. Category Trend

Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive

The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.

Learn more about the Upright/Aggressive Scale
Category Trend
Track/Fixed-gear
Source:https://www.ridley-bikes.com/en_US/bikes/SBIARORID002