Name: 2026 Vassago Bicycles TKO Base
Brand: Vassago Bicycles

	Small	Medium	Large	XL
Stack	565mm	584mm	603mm	622mm
Reach	372mm	392mm	401mm	410mm
Stack to Reach Ratio	1.52:1	1.49:1	1.5:1	1.52:1
Seat Tube Length, Unknown	500mm	520mm	550mm	570mm
Top Tube Length, Effective/Horizontal Center	540mm	565mm	585mm	600mm
Head Tube Angle	71deg	71deg	71deg	71deg
Effective Seat Tube Angle, Unknown	73.5deg	73.5deg	73.5deg	73.5deg
Head Tube Length	140mm	160mm	180mm	200mm
Bottom Bracket Drop	75mm	75mm	75mm	75mm
Bottom Bracket Height	281mm	281mm	281mm	281mm
Chainstay Length	430mm	430mm	430mm	430mm
Chainstay Length Horizontal	423.4mm	423.4mm	423.4mm	423.4mm
Front-Center	601.3mm	626.1mm	641mm	657.9mm
Front-Center Horizontal	596.6mm	621.6mm	636.6mm	653.6mm
Wheelbase	1020mm	1045mm	1060mm	1077mm
Fork Offset/Rake	52mm	52mm	52mm	52mm
Fork Length (On-Axis)	400mm	400mm	400mm	400mm
Trail	67.6mm high	67.6mm high	67.6mm high	67.6mm high
Mechanical Trail	63.9mm	63.9mm	63.9mm	63.9mm
Wheel Flop	20.8mm	20.8mm	20.8mm	20.8mm
Tire to Pedal Spindle	75.3mm 170 mm cranks	100.1mm 170 mm cranks	115mm 170 mm cranks	131.9mm 170 mm cranks
Pedal Spindle to Ground Clearance	111mm 170 mm cranks	111mm 170 mm cranks	111mm 170 mm cranks	111mm 170 mm cranks

Published Sizing Recommendations

Height

—

5 ft 8 in

6 ft 0 in

6 ft 3 in

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.vassagocycles.com/collections/tko-gravel/products/tko-frame?variant=37829908365512

2026 Vassago Bicycles TKO Base