Compare: 2023 TanTan Cycling (Seraph) GR060 Base 520 vs 2025 Cannondale SuperX Base 54

Insights

Average stack and reach vs trend of all-road/gravel bikes

Design deviates from other sizes of Cannondale SuperX

Bar type unusual for category

This: Moto/Klunker/Riser Bar
Category: Drop Bar

Stack	549.9mm	555mm +5.1mm
Reach	377.3mm	378mm +0.7mm
Stack to Reach Ratio	1.46:1	1.47:1
Seat Tube Length, C-T	490mm	524mm +34mm
Top Tube Length, Effective/Horizontal Center	—	540mm
Top Tube Length, Effective/Horizontal HT Top	535mm	—
Top Tube Slope	8.8deg	5.7deg -3.1deg
Head Tube Angle	72.5deg	71deg -1.5deg
Seat Tube Angle	74deg	73.7deg -0.3deg
Head Tube Length	120mm	132mm +12mm
Bottom Bracket Drop	69mm	69mm +0mm
Bottom Bracket Height	289mm	282mm -7mm
Chainstay Length	430mm	422mm -8mm
Chainstay Length Horizontal	424.4mm	416.3mm -8.1mm
Front-Center	585.6mm	607mm +21.4mm
Front-Center Horizontal	581.6mm	603.7mm +22.1mm
Wheelbase	1006mm	1020mm +14mm
Fork Offset/Rake	50mm	55mm +5mm
Fork Length (Axle-To-Crown)	400mm	400mm +0mm
Trail	60.5mm mid/neutral	62.7mm +2.2mm mid/neutral
Mechanical Trail	57.7mm	59.3mm +1.6mm
Wheel Flop	17.3mm	19.3mm +2mm
Standover Height	—	812mm
Tire to Pedal Spindle	57.6mm 170 mm cranks	86mm +28.4mm 170 mm cranks
Pedal Spindle to Ground Clearance	119mm 170 mm cranks	112mm -7mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	47mm	40mm -7mm
Tire Outer Diameter	716mm	702mm -14mm
Bike Length with Tires	1722mm	1722mm +0mm
Suspension Type	Rigid, non-suspension corrected	Rigid, non-suspension corrected
Bar Type	Drop Bar	Moto/Klunker/Riser Bar
Frame Material	Carbon/Composite	Unknown
Fork Material	Carbon/Composite	Unknown
Brake Type	Disc	Unknown