2023 Brodie Bicycles Ronin Tiagra/GRX

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

Geometry

40 cm XS
45 cm S
50.5 cm M
53.5 cm L
56.5 cm XL
Stack
536mm
550mm
583mm
610mm
633mm
Reach
380mm
377mm
367mm
379mm
392mm
Stack to Reach Ratio
1.41:1
1.46:1
1.59:1
1.61:1
1.61:1
Seat Tube Length, C-T
400mm
450mm
505mm
535mm
565mm
Seat Tube Length, C-C
350mm
386mm
440mm
473mm
505mm
Top Tube Length, Actual C-C
525mm
525mm
545mm
560mm
580mm
Top Tube Slope
17.2deg
13.2deg
11deg
10.4deg
9.4deg
Head Tube Angle
70deg
70deg
70deg
72deg
72deg
Seat Tube Angle
75deg
75deg
73.5deg
73.5deg
73.5deg
Head Tube Length
105mm
120mm
155mm
175mm
200mm
Bottom Bracket Drop
68mm
68mm
68mm
68mm
68mm
Bottom Bracket Height
280mm
280mm
280mm
280mm
280mm
Chainstay Length
440mm
440mm
440mm
440mm
440mm
Chainstay Length Horizontal
434.7mm
434.7mm
434.7mm
434.7mm
434.7mm
Front-Center
591.2mm
603.1mm
605.1mm
605.6mm
626mm
Front-Center Horizontal
587.3mm
599.3mm
601.3mm
601.8mm
622.3mm
Wheelbase
1022mm
1034mm
1036mm
1036.5mm
1057mm
Fork Offset/Rake
34.7mm
44mm
44mm
44.4mm
44.4mm
Trail
89.7mm
very high
79.8mm
high
79.8mm
high
66.4mm
high
66.4mm
high
Mechanical Trail
84.3mm
75mm
75mm
63.1mm
63.1mm
Wheel Flop
28.8mm
25.7mm
25.7mm
19.5mm
19.5mm
Standover Height
701mm
727mm
776mm
811mm
845mm
Tire to Pedal Spindle
73.2mm
170 mm cranks
85.1mm
170 mm cranks
87.1mm
170 mm cranks
87.6mm
170 mm cranks
108mm
170 mm cranks
Pedal Spindle to Ground Clearance
110mm
170 mm cranks
110mm
170 mm cranks
110mm
170 mm cranks
110mm
170 mm cranks
110mm
170 mm cranks

Tiagra/GRX Build

40 cm XS
45 cm S
50.5 cm M
53.5 cm L
56.5 cm 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
700C/29 in
622 mm BSD
Tire Width
37mm
37mm
37mm
37mm
37mm
Tire Width Max
42mm
42mm
42mm
42mm
42mm
Tire Outer Diameter
696mm
696mm
696mm
696mm
696mm
Bike Length with Tires
1718mm
1730mm
1732mm
1732.5mm
1753mm
Handlebar Width
420mm
420mm
440mm
440mm
460mm
Stem Length
70mm
70mm
80mm
90mm
100mm

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/ronin-10