Compare: 2024 TanTan Cycling (Seraph) TT-R18 Base S vs 2025 Cannondale SuperX Base 46

Insights

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of TanTan Cycling (Seraph) TT-R18

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	522mm	515mm -7mm
Reach	375mm	365mm -10mm
Stack to Reach Ratio	1.39:1	1.41:1
Seat Tube Length, C-T	460mm	449mm -11mm
Top Tube Length, Effective/Horizontal Center	—	510mm
Top Tube Length, Effective/Horizontal HT Top	520mm	—
Top Tube Slope	9deg	9.7deg +0.7deg
Head Tube Angle	71deg	70deg -1deg
Seat Tube Angle	74.5deg	74.3deg -0.2deg
Head Tube Length	120mm	86mm -34mm
Bottom Bracket Drop	70mm	77mm +7mm
Bottom Bracket Height	269mm	274mm +5mm
Chainstay Length	406mm	422mm +16mm
Chainstay Length Horizontal	399.9mm	414.9mm +15mm
Front-Center	583mm	588mm +5mm
Front-Center Horizontal	578.1mm	583.1mm +5mm
Wheelbase	978mm	998mm +20mm
Fork Offset/Rake	45mm	55mm +10mm
Fork Length (Axle-To-Crown)	373mm	400mm +27mm
Trail	69.1mm high	69.2mm +0.1mm high
Mechanical Trail	65.4mm	65.1mm -0.3mm
Wheel Flop	21.3mm	22.3mm +1mm
Standover Height	734mm	746mm +12mm
Tire to Pedal Spindle	74mm 170 mm cranks	67mm -7mm 170 mm cranks
Pedal Spindle to Ground Clearance	99mm 170 mm cranks	104mm +5mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	28mm	40mm +12mm
Tire Width Max	32mm	—
Tire Outer Diameter	678mm	702mm +24mm
Bike Length with Tires	1656mm	1700mm +44mm
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