Compare: 2021 TWITTER Bikes R10 Disc Base XXS-43,5 vs 2025 TanTan Cycling (Seraph) TT-X67 Base 45

Insights

Somewhat upright stack and reach vs trend of performance road bikes

Design deviates from other sizes of TWITTER Bikes R10 Disc

Average stack and reach vs trend of performance road bikes

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

Stack	502mm	500mm -2mm
Reach	356mm	365mm +9mm
Stack to Reach Ratio	1.41:1	1.37:1
Seat Tube Length, C-T	435mm	—
Seat Tube Length, Unknown	—	405mm
Top Tube Length, Effective/Horizontal Center	490mm	—
Top Tube Length, Effective/Horizontal Unknown	—	499mm
Top Tube Slope	9.9deg	13deg +3.1deg
Head Tube Angle	70.5deg	70.5deg +0deg
Seat Tube Angle	75deg	75deg +0deg
Head Tube Length	100mm	100mm +0mm
Bottom Bracket Drop	72mm	72mm +0mm
Bottom Bracket Height	264mm	267mm +3mm
Chainstay Length	410mm	405mm -5mm
Chainstay Length Horizontal	403.6mm	398.6mm -5mm
Front-Center	571mm	572mm +1mm
Front-Center Horizontal	566.4mm	567.5mm +1.1mm
Wheelbase	970.1mm	966mm -4.1mm
Fork Offset/Rake	54.8mm	48mm -6.8mm
Fork Length, Unknown	—	370mm
Trail	60.8mm mid/neutral	69.1mm +8.3mm high
Mechanical Trail	57.3mm	65.2mm +7.9mm
Wheel Flop	19.1mm	21.8mm +2.7mm
Standover Height	—	740mm
Tire to Pedal Spindle	65mm 170 mm cranks	63mm -2mm 170 mm cranks
Pedal Spindle to Ground Clearance	94mm 170 mm cranks	97mm +3mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	25mm	28mm +3mm
Tire Width Max	—	32mm
Tire Outer Diameter	672mm	678mm +6mm
Bike Length with Tires	1642.1mm	1644mm +1.9mm
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