2025 Banzai Revision 1 Base

	50	53	55	57	60
Stack	540mm	564mm	588mm	612mm	636mm
Reach	382mm	390mm	398mm	404mm	410mm
Stack to Reach Ratio	1.41:1	1.45:1	1.48:1	1.51:1	1.55:1
Seat Tube Length, C-T	500mm	530mm	550mm	570mm	600mm
Top Tube Length, Actual C-C	520.8mm	538.6mm	559.6mm	577.3mm	594.5mm
Top Tube Slope	6.5deg	5.9deg	6.3deg	6.8deg	6.1deg
Head Tube Angle	71.15deg	71.6deg	71.8deg	72deg	72.2deg
Seat Tube Angle	74.1deg	73.7deg	73deg	72.5deg	73deg
Head Tube Length	103.6mm	127.2mm	153.8mm	178.2mm	202.6mm
Bottom Bracket Drop	78mm	78mm	76mm	76mm	76mm
Bottom Bracket Height	273mm	273mm	275mm	275mm	275mm
Chainstay Length	435mm	435mm	435mm	435mm	435mm
Chainstay Length Horizontal	428mm	428mm	428.3mm	428.3mm	428.3mm
Front-Center	592.4mm	604.2mm	618.4mm	630.1mm	641.6mm
Front-Center Horizontal	587.3mm	599.1mm	613.7mm	625.5mm	637.1mm
Wheelbase	1015.2mm	1027mm	1042mm	1053.8mm	1065.4mm
Fork Offset/Rake	45mm	45mm	45mm	45mm	45mm
Fork Length (Axle-To-Crown)	400mm	400mm	400mm	400mm	400mm
Trail	72.3mm high	69.3mm high	68mm high	66.7mm high	65.4mm high
Mechanical Trail	68.4mm	65.8mm	64.6mm	63.5mm	62.3mm
Wheel Flop	22.1mm	20.8mm	20.2mm	19.6mm	19mm
Tire to Pedal Spindle	71.4mm 170 mm cranks	83.2mm 170 mm cranks	97.4mm 170 mm cranks	109.1mm 170 mm cranks	120.6mm 170 mm cranks
Pedal Spindle to Ground Clearance	103mm 170 mm cranks	103mm 170 mm cranks	105mm 170 mm cranks	105mm 170 mm cranks	105mm 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:specialized.com

Geometry