Compare: 2025 TanTan Cycling (Seraph) TT-X70 Base 520 vs 2026 Quick Pro UR:ONE Base S (470)

Insights

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of Quick Pro UR:ONE

Stack	527mm	529mm +2mm
Reach	380mm	381mm +1mm
Stack to Reach Ratio	1.39:1	1.39:1
Seat Tube Length, C-T	457mm	—
Top Tube Length, Effective/Horizontal Center	531mm	531mm +0mm
Top Tube Slope	9.8deg	—
Head Tube Angle	72.5deg	72.5deg +0deg
Seat Tube Angle	74deg	74.2deg +0.2deg
Head Tube Length	120mm	121mm +1mm
Bottom Bracket Drop	74mm	74mm +0mm
Bottom Bracket Height	265mm	265mm +0mm
Chainstay Length	410mm	408mm -2mm
Chainstay Length Horizontal	403.3mm	401.2mm -2.1mm
Front-Center	578mm	578.5mm +0.5mm
Front-Center Horizontal	572.7mm	573.8mm +1.1mm
Wheelbase	976mm	975mm -1mm
Fork Offset/Rake	47.6mm	47mm -0.6mm
Fork Length, Unknown	—	370mm
Trail	57mm mid/neutral	57.6mm +0.6mm mid/neutral
Mechanical Trail	54.4mm	54.9mm +0.5mm
Wheel Flop	16.3mm	16.5mm +0.2mm
Standover Height	—	745mm
Tire to Pedal Spindle	69mm 170 mm cranks	69.5mm +0.5mm 170 mm cranks
Pedal Spindle to Ground Clearance	95mm 170 mm cranks	95mm +0mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	28mm	28mm +0mm
Tire Outer Diameter	678mm	678mm +0mm
Bike Length with Tires	1654mm	1653mm -1mm
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

Actions	Collection I've Ridden	Collection I've Ridden
Source	https://www.seraphbikes.com/Superlight-Internal-Cable-Carbon-Fiber-Road-Bike-Frame-TT-X70-Disc-Brake-BSA-Bottom-Bracket-UDH-Hanger-p6452343.html	https://www.quickprousa.com/products/ur-one-pre-order
Brand	TanTan Cycling (Seraph)	Quick Pro
Bike	2025 TT-X70 Base	2026 UR:ONE Base
Size	520	S (470)
Category	Performance Road	Performance Road