2026 Brodie Bicycles Romax Carbon

Design
Drop Bar, Rigid, non-suspension corrected
Frame
Carbon/Composite
Fork
Carbon/Composite
Features
Disc brake
Average stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category

Geometry

46cm S
49cm M
52cm L
55cm XL
Stack
517.5mm
546.5mm
575.5mm
604mm
Reach
366mm
378mm
390mm
402mm
Stack to Reach Ratio
1.41:1
1.45:1
1.48:1
1.5:1
Seat Tube Length, C-C
460mm
490mm
520mm
550mm
Top Tube Length, Actual C-C
529mm
550mm
571.5mm
593mm
Head Tube Angle
69.5deg
71.5deg
72.5deg
72.5deg
Seat Tube Angle
72.5deg
72.5deg
72.5deg
72.5deg
Head Tube Length
100mm
125mm
150mm
180mm
Bottom Bracket Drop
70mm
70mm
70mm
70mm
Bottom Bracket Height
286mm
286mm
286mm
286mm
Chainstay Length
430mm
430mm
430mm
430mm
Chainstay Length Horizontal
424.3mm
424.3mm
424.3mm
424.3mm
Front-Center
590.9mm
597.9mm
605.8mm
626.7mm
Front-Center Horizontal
586.7mm
593.7mm
601.7mm
622.7mm
Wheelbase
1011mm
1018mm
1026mm
1047mm
Fork Offset/Rake
50mm
53.4mm
49.9mm
49.9mm
Trail
79.7mm
high
62.8mm
mid/​neutral
59.9mm
mid/​neutral
59.9mm
mid/​neutral
Mechanical Trail
74.6mm
59.6mm
57.1mm
57.1mm
Wheel Flop
26.1mm
18.9mm
17.2mm
17.2mm
Tire to Pedal Spindle
64.9mm
170 mm cranks
71.9mm
170 mm cranks
79.8mm
170 mm cranks
100.7mm
170 mm cranks
Pedal Spindle to Ground Clearance
116mm
170 mm cranks
116mm
170 mm cranks
116mm
170 mm cranks
116mm
170 mm cranks

Carbon Build

46cm S
49cm M
52cm L
55cm XL
Wheel Size
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
Tire Width
45mm
45mm
45mm
45mm
Tire Width Max
50mm
50mm
50mm
50mm
Tire Outer Diameter
712mm
712mm
712mm
712mm
Bike Length with Tires
1723mm
1730mm
1738mm
1759mm
Stem Length
80mm
90mm
100mm
110mm

Published Sizing Recommendations

Height
5 ft 4 in
to
5 ft 8 in
5 ft 7 in
to
5 ft 10 in
5 ft 9 in
to
6 ft 0 in
5 ft 11 in
to
6 ft 2 in

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
All-road/Gravel
Source:https://www.brodiebicycles.com/romax-carbon-30