Compare: 2021 TWITTER Bikes R10 Disc Base XXL-56 vs 2025 TanTan Cycling (Seraph) TT-X67 Base 58

Insights

Average 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	598mm	587mm -11mm
Reach	404mm	401mm -3mm
Stack to Reach Ratio	1.48:1	1.46:1
Seat Tube Length, C-T	560mm	—
Seat Tube Length, Unknown	—	545mm
Top Tube Length, Effective/Horizontal Center	585mm	—
Top Tube Length, Effective/Horizontal Unknown	—	575mm
Top Tube Slope	6.2deg	6.6deg +0.4deg
Head Tube Angle	73.5deg	73.3deg -0.2deg
Seat Tube Angle	73.2deg	73.5deg +0.3deg
Head Tube Length	190mm	181mm -9mm
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	621mm	610mm -11mm
Front-Center Horizontal	616.8mm	605.5mm -11.3mm
Wheelbase	1020.4mm	1004mm -16.4mm
Fork Offset/Rake	54.7mm	48mm -6.7mm
Fork Length, Unknown	—	370mm
Trail	42.5mm low	51.6mm +9.1mm mid/neutral
Mechanical Trail	40.8mm	49.4mm +8.6mm
Wheel Flop	11.6mm	14.2mm +2.6mm
Standover Height	—	830mm
Tire to Pedal Spindle	115mm 170 mm cranks	101mm -14mm 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	1692.4mm	1682mm -10.4mm
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