2023 Pacific Bike Primum Pro SE

	44	47	51	54
Stack	494.8mm	505.5mm	529mm	549.5mm
Reach	358.4mm	370mm	378mm	387mm
Stack to Reach Ratio	1.38:1	1.37:1	1.4:1	1.42:1
Seat Tube Length, Unknown	443.3mm	471.5mm	511.5mm	541.5mm
Top Tube Length, Effective/Horizontal Center	505mm	520mm	535mm	550mm
Top Tube Slope	8.2deg	6.1deg	4.2deg	3.2deg
Head Tube Angle	71.2deg	71.2deg	71.4deg	72deg
Seat Tube Angle	73.5deg	73.5deg	73.5deg	73.5deg
Head Tube Length	95mm	97.5mm	122.5mm	144.5mm
Bottom Bracket Drop	70mm	70mm	70mm	70mm
Bottom Bracket Height	269mm	269mm	269mm	269mm
Chainstay Length	410mm	410mm	410mm	410mm
Chainstay Length Horizontal	404mm	404mm	404mm	404mm
Front-Center	555.8mm	570.3mm	585.5mm	594.5mm
Front-Center Horizontal	562.6mm	565.9mm	580.8mm	590.3mm
Wheelbase	966.6mm	969.9mm	984.8mm	994.3mm
Fork Offset/Rake	45mm	45mm	45mm	45mm
Trail	67.9mm high	67.9mm high	66.6mm high	62.8mm mid/neutral
Mechanical Trail	64.3mm	64.3mm	63.1mm	59.8mm
Wheel Flop	20.7mm	20.7mm	20.1mm	18.5mm
Tire to Pedal Spindle	46.8mm 170 mm cranks	61.3mm 170 mm cranks	76.5mm 170 mm cranks	85.5mm 170 mm cranks
Pedal Spindle to Ground Clearance	99mm 170 mm cranks	99mm 170 mm cranks	99mm 170 mm cranks	99mm 170 mm cranks

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.

Category Trend

Source:https://pacific-bike.com/product/primum-pro/

Geometry