Compare: 2025 TWITTER Bikes T8 PRO 43.5 vs 2025 Van Rysel RCR-F Base XXS

Insights

Somewhat upright stack and reach vs trend of performance road bikes

Design deviates from other sizes of TWITTER Bikes T8

Somewhat aggressive stack and reach vs trend of performance road bikes

Design deviates from other sizes of Van Rysel RCR-F

Stack	506mm	498mm -8mm
Reach	360mm	382mm +22mm
Stack to Reach Ratio	1.41:1	1.3:1
Seat Tube Length, C-TTT	—	457mm
Seat Tube Length, Unknown	435mm	—
Top Tube Length, Effective/Horizontal Center	—	513mm
Top Tube Length, Effective/Horizontal Unknown	500mm	—
Top Tube Slope	10.3deg	4.1deg -6.2deg
Head Tube Angle	71deg	71deg +0deg
Seat Tube Angle	74.5deg	75.5deg +1deg
Head Tube Length	110mm	92mm -18mm
Bottom Bracket Drop	72mm	73mm +1mm
Bottom Bracket Height	267mm	266mm -1mm
Chainstay Length	410mm	410mm +0mm
Chainstay Length Horizontal	403.6mm	403.5mm -0.1mm
Front-Center	562mm	581.2mm +19.2mm
Front-Center Horizontal	557.4mm	576.6mm +19.2mm
Wheelbase	961mm	980mm +19mm
Fork Offset/Rake	45mm	45mm +0mm
Fork Length (On-Axis)	—	372mm
Trail	69.1mm high	69.1mm +0mm high
Mechanical Trail	65.4mm	65.4mm +0mm
Wheel Flop	21.3mm	21.3mm +0mm
Tire to Pedal Spindle	53mm 170 mm cranks	77.2mm +24.2mm 165 mm cranks
Pedal Spindle to Ground Clearance	97mm 170 mm cranks	101mm +4mm 165 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	28mm	28mm +0mm
Tire Width Max	—	32mm
Tire Outer Diameter	678mm	678mm +0mm
Bike Length with Tires	1639mm	1658mm +19mm
Crank Length	—	165mm
Handlebar Width	—	400mm
Stem Length	—	70mm
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