2025 Stormsports Sturm Makai Base

	Frame Size 1	Frame Size 2	Frame Size 3
Stack	397.3mm	405mm	408mm
Reach	585.4mm	604.7mm	619mm
Stack to Reach Ratio	0.68:1	0.67:1	0.66:1
Seat Tube Length, C-T	500mm	520mm	540mm
Top Tube Length, Effective/Horizontal Center	565mm	584mm	605mm
Top Tube Slope	-6.6deg	-7.1deg	-7.9deg
Head Tube Angle	71.5deg	71.5deg	71.5deg
Seat Tube Angle	74deg	73.5deg	73deg
Head Tube Length	168mm	190mm	215mm
Bottom Bracket Drop	77mm	77mm	77mm
Bottom Bracket Height	284mm	284mm	284mm
Chainstay Length	445mm	445mm	445mm
Chainstay Length Horizontal	438.3mm	438.3mm	438.3mm
Front-Center	226.7mm	241mm	248.5mm
Front-Center Horizontal	213.2mm	228.4mm	236.2mm
Wheelbase	651.5mm	666.7mm	674.5mm
Fork Offset/Rake	-454.6mm	-460.9mm	-468mm
Trail	600.2mm very high	606.8mm very high	614.3mm very high
Mechanical Trail	569.1mm	575.5mm	582.6mm
Wheel Flop	180.6mm	182.6mm	184.9mm
Standover Height	1085mm	1100mm	1109mm
Tire to Pedal Spindle	-304.3mm 170 mm cranks	-290mm 170 mm cranks	-282.5mm 170 mm cranks
Pedal Spindle to Ground Clearance	114mm 170 mm cranks	114mm 170 mm cranks	114mm 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://stormsports.nl/collections/fietsen/products/storm-makai-beachbike-gravelbike

Geometry