2025 Borant Prime IV INTD Base

	S	M	L	XL	XXL
Stack	509mm	531mm	548mm	568mm	612mm
Reach	376mm	387mm	398mm	403mm	409mm
Stack to Reach Ratio	1.35:1	1.37:1	1.38:1	1.41:1	1.5:1
Seat Tube Length, Unknown	490mm	510mm	530mm	550mm	580mm
Top Tube Length, Effective/Horizontal Unknown	531mm	549mm	565mm	577mm	590mm
Top Tube Slope	4.5deg	4.6deg	4.3deg	4.3deg	5.7deg
Head Tube Angle	72deg	72.8deg	73.3deg	73.3deg	73.3deg
Seat Tube Angle	73deg	73deg	73deg	73deg	73deg
Head Tube Length	110mm	130mm	146mm	167mm	200mm
Bottom Bracket Drop	68mm	70mm	72.5mm	67.5mm	67.5mm
Bottom Bracket Height	271mm	269mm	266.5mm	271.5mm	271.5mm
Chainstay Length	405mm	405mm	405mm	405mm	405mm
Chainstay Length Horizontal	399.3mm	398.9mm	398.5mm	399.3mm	399.3mm
Front-Center	568.8mm	580.3mm	592mm	602.5mm	617.4mm
Front-Center Horizontal	564.8mm	576.1mm	587.5mm	598.7mm	613.7mm
Wheelbase	964mm	975mm	986mm	998mm	1013mm
Fork Offset/Rake	43mm	43mm	43mm	43mm	43mm
Fork Length, Unknown	367mm	367mm	367mm	367mm	367mm
Trail	64.9mm mid/neutral	59.9mm mid/neutral	56.8mm mid/neutral	56.8mm mid/neutral	56.8mm mid/neutral
Mechanical Trail	61.8mm	57.3mm	54.4mm	54.4mm	54.4mm
Wheel Flop	19.1mm	16.9mm	15.6mm	15.6mm	15.6mm
Tire to Pedal Spindle	59.8mm 170 mm cranks	71.3mm 170 mm cranks	83mm 170 mm cranks	93.5mm 170 mm cranks	108.4mm 170 mm cranks
Pedal Spindle to Ground Clearance	101mm 170 mm cranks	99mm 170 mm cranks	96.5mm 170 mm cranks	101.5mm 170 mm cranks	101.5mm 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://www.borant.com/product/shosseynyy-velosiped-borant-prime-iv-intd-7170

Geometry