2024 Onirii aero pro Base

Design
Drop Bar, Rigid, non-suspension corrected
Somewhat aggressive stack and reachvs category
Average stack and reachvs category
Somewhat aggressive stack and reachvs category

Geometry

Small
XL
XXL / 58
Stack
484.4mm
561.7mm
549.6mm
Reach
370mm
385.3mm
405mm
Stack to Reach Ratio
1.31:1
1.46:1
1.36:1
Seat Tube Length, C-T
440mm
495mm
Seat Tube Length, Unknown
480mm
Top Tube Length, Effective/Horizontal Center
567.8mm
Top Tube Length, Effective/Horizontal HT Top
495.3mm
Top Tube Length, Effective/Horizontal Unknown
546.4mm
Top Tube Slope
6.9deg
11deg
7.8deg
Head Tube Angle
70.5deg
73.5deg
73.5deg
Seat Tube Angle
75.5deg
74deg
73.5deg
Head Tube Length
84mm
157.5mm
144mm
Bottom Bracket Drop
74mm
74mm
74mm
Bottom Bracket Height
265mm
265mm
267mm
Chainstay Length
410mm
410mm
410mm
Chainstay Length Horizontal
403.3mm
403.3mm
403.3mm
Front-Center
565.2mm
576.8mm
595.5mm
Front-Center Horizontal
560.3mm
572mm
590.9mm
Wheelbase
963.6mm
975.3mm
994.2mm
Fork Offset/Rake
47mm
47mm
47mm
Fork Length, Unknown
370mm
370mm
370mm
Trail
70.2mm
high
51.4mm
mid/​neutral
52mm
mid/​neutral
Mechanical Trail
66.2mm
49.3mm
49.9mm
Wheel Flop
22.1mm
14mm
14.2mm
Standover Height
727.6mm
772.5mm
788.6mm
Tire to Pedal Spindle
56.2mm
170 mm cranks
67.8mm
170 mm cranks
84.5mm
170 mm cranks
Pedal Spindle to Ground Clearance
95mm
170 mm cranks
95mm
170 mm cranks
97mm
170 mm cranks

Base Build

Small
XL
XXL / 58
Wheel Size
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
Tire Width
28mm
28mm
30mm
Tire Width Max
30mm
30mm
Tire Outer Diameter
678mm
678mm
682mm
Bike Length with Tires
1641.6mm
1653.3mm
1676.2mm

Published Sizing Recommendations

Height
180 cm
to
188 cm

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
Performance Road