2025 Brodie Bicycles Romulus 2.0 2X GRX

	42	46	50	54	58
Stack	538mm	557mm	576mm	588mm	622mm
Reach	366mm	375mm	395mm	398mm	405mm
Stack to Reach Ratio	1.47:1	1.49:1	1.46:1	1.48:1	1.54:1
Seat Tube Length, Unknown	420mm	460mm	500mm	540mm	580mm
Top Tube Length, Effective/Horizontal Center	520mm	535mm	550mm	575mm	600mm
Top Tube Slope	15.6deg	12.9deg	10.2deg	7.2deg	6.7deg
Head Tube Angle	69deg	69.5deg	70.5deg	70.5deg	70.5deg
Seat Tube Angle	75deg	74.5deg	74deg	74deg	73deg
Head Tube Length	100mm	125mm	150mm	170mm	200mm
Bottom Bracket Drop	72mm	70mm	70mm	68mm	68mm
Bottom Bracket Height	273mm	275mm	275mm	277mm	277mm
Chainstay Length	435mm	435mm	435mm	435mm	435mm
Chainstay Length Horizontal	429mm	429.3mm	429.3mm	429.7mm	429.7mm
Front-Center	593.4mm	609.7mm	635.5mm	645.9mm	667.8mm
Front-Center Horizontal	589mm	605.7mm	631.7mm	642.4mm	664.4mm
Wheelbase	1018mm	1035mm	1061mm	1072mm	1094mm
Fork Offset/Rake	41.2mm	45.5mm	54.2mm	56.8mm	59.5mm
Trail	88.3mm very high	80.4mm very high	64.7mm mid/neutral	62mm mid/neutral	59mm mid/neutral
Mechanical Trail	82.5mm	75.3mm	61mm	58.4mm	55.6mm
Wheel Flop	29.6mm	26.4mm	20.4mm	19.5mm	18.6mm
Standover Height	740mm	788mm	798mm	841mm	875mm
Tire to Pedal Spindle	73.4mm 175 mm cranks	89.7mm 175 mm cranks	115.5mm 175 mm cranks	125.9mm 175 mm cranks	147.8mm 175 mm cranks
Pedal Spindle to Ground Clearance	98mm 175 mm cranks	100mm 175 mm cranks	100mm 175 mm cranks	102mm 175 mm cranks	102mm 175 mm cranks

Published Sizing Recommendations

Height

1 ft 10 in

5 ft 3 in

5 ft 2 in

5 ft 8 in

5 ft 7 in

5 ft 10 in

5 ft 9 in

6 ft 0 in

5 ft 11 in

6 ft 3 in

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.

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Source:https://www.brodiebicycles.com/romulus-20