2026 Borant Phantom Base

	XS	S	M	L
Stack	541mm	560mm	579mm	594mm
Reach	350mm	370mm	375mm	384mm
Stack to Reach Ratio	1.55:1	1.51:1	1.54:1	1.55:1
Seat Tube Length, Unknown	470mm	484mm	515mm	534mm
Top Tube Length, Effective/Horizontal HT Top	510mm	536mm	552mm	568mm
Top Tube Slope	10.6deg	10.7deg	9.4deg	8.8deg
Head Tube Angle	68deg	70deg	70.5deg	71.5deg
Seat Tube Angle	73.5deg	73.5deg	73deg	73deg
Head Tube Length	120mm	130mm	150mm	170mm
Bottom Bracket Drop	70mm	70mm	70mm	70mm
Bottom Bracket Height	288mm	288mm	288mm	288mm
Chainstay Length	430mm	430mm	430mm	430mm
Chainstay Length Horizontal	424.3mm	424.3mm	424.3mm	424.3mm
Front-Center	596mm	588mm	600mm	607mm
Front-Center Horizontal	591.7mm	593.7mm	605.7mm	612.7mm
Wheelbase	1016mm	1018mm	1030mm	1037mm
Fork Offset/Rake	48mm	48mm	48mm	48mm
Fork Length (Axle-To-Crown)	406mm	406mm	406mm	406mm
Trail	92.9mm very high	79.2mm high	75.9mm high	69.2mm high
Mechanical Trail	86.1mm	74.4mm	71.5mm	65.6mm
Wheel Flop	32.3mm	25.5mm	23.9mm	20.8mm
Tire to Pedal Spindle	68mm 170 mm cranks	60mm 170 mm cranks	72mm 170 mm cranks	79mm 170 mm cranks
Pedal Spindle to Ground Clearance	118mm 170 mm cranks	118mm 170 mm cranks	118mm 170 mm cranks	118mm 170 mm cranks

Published Sizing Recommendations

Height

154 cm

162 cm

172 cm

170 cm

181 cm

189 cm

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://borant.by/product/rama-komplekt-borant-phantom-2026