Compare: 2026 Cannondale Supersix Evo Base 44 vs 2025 TanTan Cycling (Seraph) TT-X67 Base 49

Insights

Somewhat aggressive 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	495mm	503mm +8mm
Reach	373mm	370mm -3mm
Stack to Reach Ratio	1.33:1	1.36:1
Seat Tube Length, Unknown	—	425mm
Top Tube Length, Effective/Horizontal Unknown	—	510mm
Top Tube Slope	—	10.9deg
Head Tube Angle	70.9deg	71deg +0.1deg
Seat Tube Angle	74.5deg	74.5deg +0deg
Head Tube Length	—	102mm
Bottom Bracket Drop	74mm	72mm -2mm
Bottom Bracket Height	265mm	267mm +2mm
Chainstay Length	410mm	405mm -5mm
Chainstay Length Horizontal	403.3mm	398.6mm -4.7mm
Front-Center	582mm	574mm -8mm
Front-Center Horizontal	576.7mm	569.5mm -7.2mm
Wheelbase	980mm	968mm -12mm
Fork Offset/Rake	55mm	48mm -7mm
Fork Length, Unknown	—	370mm
Trail	59.2mm mid/neutral	66mm +6.8mm high
Mechanical Trail	55.9mm	62.4mm +6.5mm
Wheel Flop	18.3mm	20.3mm +2mm
Standover Height	694mm	760mm +66mm
Tire to Pedal Spindle	73mm 170 mm cranks	65mm -8mm 170 mm cranks
Pedal Spindle to Ground Clearance	95mm 170 mm cranks	97mm +2mm 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	1658mm	1646mm -12mm
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	44	49
Category	Performance Road	Performance Road