Compare: 2023 TanTan Cycling (Seraph) TT-X68 Base 52 vs 2026 XDS X-LAB RT9 Base S

Insights

Somewhat aggressive stack and reach vs trend of endurance road bikes

Design deviates from other sizes of TanTan Cycling (Seraph) TT-X68

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of XDS X-LAB RT9

Stack	527mm	525mm -2mm
Reach	380mm	372mm -8mm
Stack to Reach Ratio	1.39:1	1.41:1
Seat Tube Length, C-T	—	460mm
Seat Tube Length, Unknown	456mm	—
Top Tube Length, Effective/Horizontal Center	531mm	—
Top Tube Length, Effective/Horizontal Unknown	—	520mm
Top Tube Slope	9.9deg	9.4deg -0.5deg
Head Tube Angle	72.5deg	71.7deg -0.8deg
Seat Tube Angle	74deg	74.2deg +0.2deg
Head Tube Length	120mm	120mm +0mm
Bottom Bracket Drop	74mm	74mm +0mm
Bottom Bracket Height	269mm	265mm -4mm
Chainstay Length	410mm	410mm +0mm
Chainstay Length Horizontal	403.3mm	403.3mm +0mm
Front-Center	577mm	578mm +1mm
Front-Center Horizontal	571.7mm	573.7mm +2mm
Wheelbase	975mm	977mm +2mm
Fork Offset/Rake	47mm	49.9mm +2.9mm
Fork Length (Axle-To-Crown)	370mm	—
Trail	58.9mm mid/neutral	59.5mm +0.6mm mid/neutral
Mechanical Trail	56.1mm	56.5mm +0.4mm
Wheel Flop	16.9mm	17.8mm +0.9mm
Standover Height	745mm	728mm -17mm
Tire to Pedal Spindle	64mm 170 mm cranks	69mm +5mm 170 mm cranks
Pedal Spindle to Ground Clearance	99mm 170 mm cranks	95mm -4mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	32mm	28mm -4mm
Tire Width Max	32mm	—
Tire Outer Diameter	686mm	678mm -8mm
Bike Length with Tires	1661mm	1655mm -6mm
Crank Length	170mm	—
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