Compare: 2025 TanTan Cycling (Seraph) TT-X70 Base 540 vs 2026 Quick Pro UR:ONE Base M (495)

Insights

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of Quick Pro UR:ONE

Stack	545mm	553mm +8mm
Reach	384mm	390mm +6mm
Stack to Reach Ratio	1.42:1	1.42:1
Seat Tube Length, C-T	474mm	—
Top Tube Length, Effective/Horizontal Center	540mm	551mm +11mm
Top Tube Slope	9.9deg	—
Head Tube Angle	73deg	73.2deg +0.2deg
Seat Tube Angle	74deg	73.8deg -0.2deg
Head Tube Length	137mm	145mm +8mm
Bottom Bracket Drop	74mm	72mm -2mm
Bottom Bracket Height	265mm	267mm +2mm
Chainstay Length	410mm	408mm -2mm
Chainstay Length Horizontal	403.3mm	401.6mm -1.7mm
Front-Center	582mm	585.8mm +3.8mm
Front-Center Horizontal	576.7mm	581.4mm +4.7mm
Wheelbase	980mm	983mm +3mm
Fork Offset/Rake	46.6mm	44mm -2.6mm
Fork Length, Unknown	—	370mm
Trail	54.9mm mid/neutral	56.4mm +1.5mm mid/neutral
Mechanical Trail	52.5mm	54mm +1.5mm
Wheel Flop	15.4mm	15.6mm +0.2mm
Standover Height	—	770mm
Tire to Pedal Spindle	73mm 170 mm cranks	76.8mm +3.8mm 170 mm cranks
Pedal Spindle to Ground Clearance	95mm 170 mm cranks	97mm +2mm 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	1658mm	1661mm +3mm
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	540	M (495)
Category	Performance Road	Performance Road