Name: 2027 Top Secret Road Base
Brand: Top Secret

	47	51	54	56
Stack	505mm	541mm	555mm	579mm
Reach	358mm	367mm	376mm	385mm
Stack to Reach Ratio	1.41:1	1.47:1	1.48:1	1.5:1
Seat Tube Length, Unknown	390mm	430mm	480mm	500mm
Top Tube Length, Effective/Horizontal Unknown	498mm	522mm	540mm	556mm
Top Tube Slope	15.6deg	14.7deg	10.5deg	10.7deg
Head Tube Angle	70.5deg	71.5deg	72deg	72deg
Seat Tube Angle	74.5deg	74deg	73.5deg	73.5deg
Head Tube Length	90mm	125mm	140mm	165mm
Bottom Bracket Drop	77mm	77mm	74mm	74mm
Bottom Bracket Height	266mm	266mm	269mm	269mm
Chainstay Length	415mm	415mm	415mm	415mm
Chainstay Length Horizontal	407.8mm	407.8mm	408.4mm	408.4mm
Front-Center	564.5mm	577.4mm	586.3mm	603.2mm
Front-Center Horizontal	559.2mm	572.2mm	581.7mm	598.7mm
Wheelbase	967mm	980mm	990mm	1007mm
Fork Offset/Rake	46.8mm	47.4mm	47mm	47.1mm
Trail	71.8mm high	64.8mm mid/neutral	62.1mm mid/neutral	61.9mm mid/neutral
Mechanical Trail	67.7mm	61.5mm	59mm	58.9mm
Wheel Flop	22.6mm	19.5mm	18.3mm	18.2mm
Standover Height	683mm	723mm	763mm	784mm
Tire to Pedal Spindle	51.5mm 170 mm cranks	64.4mm 170 mm cranks	73.3mm 170 mm cranks	90.2mm 170 mm cranks
Pedal Spindle to Ground Clearance	96mm 170 mm cranks	96mm 170 mm cranks	99mm 170 mm cranks	99mm 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.

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2027 Top Secret Road Base

Geometry