Compare: 2026 Cannondale Supersix Evo Base 54 vs 2025 TanTan Cycling (Seraph) TT-X67 Base 54

Insights

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of Cannondale Supersix Evo

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of TanTan Cycling (Seraph) TT-X67

Stack	545mm	542mm -3mm
Reach	387mm	384mm -3mm
Stack to Reach Ratio	1.41:1	1.41:1
Seat Tube Length, Unknown	—	495mm
Top Tube Length, Effective/Horizontal Unknown	—	540mm
Top Tube Slope	—	7.3deg
Head Tube Angle	71.2deg	72.5deg +1.3deg
Seat Tube Angle	74deg	74deg +0deg
Head Tube Length	—	137mm
Bottom Bracket Drop	72mm	72mm +0mm
Bottom Bracket Height	267mm	267mm +0mm
Chainstay Length	410mm	405mm -5mm
Chainstay Length Horizontal	403.6mm	398.6mm -5mm
Front-Center	611mm	587mm -24mm
Front-Center Horizontal	606.4mm	582.5mm -23.9mm
Wheelbase	1010mm	981mm -29mm
Fork Offset/Rake	55mm	48mm -7mm
Fork Length, Unknown	—	370mm
Trail	57.3mm mid/neutral	56.6mm -0.7mm mid/neutral
Mechanical Trail	54.3mm	53.9mm -0.4mm
Wheel Flop	17.5mm	16.2mm -1.3mm
Standover Height	770mm	793mm +23mm
Tire to Pedal Spindle	102mm 170 mm cranks	78mm -24mm 170 mm cranks
Pedal Spindle to Ground Clearance	97mm 170 mm cranks	97mm +0mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	28mm	28mm +0mm
Tire Outer Diameter	678mm	678mm +0mm
Bike Length with Tires	1688mm	1659mm -29mm
Suspension Type	Rigid, non-suspension corrected	Rigid, non-suspension corrected
Bar Type	Drop Bar	Drop Bar
Frame Material	Carbon/Composite	Carbon/Composite
Fork Material	Carbon/Composite	Carbon/Composite
Brake Type	Disc	Disc

Actions	Collection I've Ridden	Collection I've Ridden
Source	https://www.cannondale.com/en-nl/bikes/road/race/supersix-evo/supersix-evo-1-smu	http://tantancycling.com/index.php?_m=mod_product&_a=view&p_id=1186
Brand	Cannondale	TanTan Cycling (Seraph)
Bike	2026 Supersix Evo Base	2025 TT-X67 Base
Size	54	54
Category	Performance Road	Performance Road