Compare: 2021 TWITTER Bikes R10 Disc Base XL-54 vs 2025 TanTan Cycling (Seraph) TT-X67 Base 58

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	584mm	587mm +3mm
Reach	389mm	401mm +12mm
Stack to Reach Ratio	1.5:1	1.46:1
Seat Tube Length, C-T	540mm	—
Seat Tube Length, Unknown	—	545mm
Top Tube Length, Effective/Horizontal HT Top	565mm	—
Top Tube Length, Effective/Horizontal Unknown	—	575mm
Top Tube Slope	7deg	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	175mm	181mm +6mm
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	602mm	610mm +8mm
Front-Center Horizontal	597.7mm	605.5mm +7.8mm
Wheelbase	1001.3mm	1004mm +2.7mm
Fork Offset/Rake	55mm	48mm -7mm
Fork Length, Unknown	—	370mm
Trail	42.2mm low	51.6mm +9.4mm mid/neutral
Mechanical Trail	40.4mm	49.4mm +9mm
Wheel Flop	11.5mm	14.2mm +2.7mm
Standover Height	—	830mm
Tire to Pedal Spindle	96mm 170 mm cranks	101mm +5mm 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	28mm	32mm +4mm
Tire Outer Diameter	672mm	678mm +6mm
Bike Length with Tires	1673.3mm	1682mm +8.7mm
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