Compare: 2023 BXT BX-Road-145 Pro-145 47 vs 2023 TanTan Cycling (Seraph) TT-X34 Base XS / 50

Insights

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of BXT BX-Road-145

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of TanTan Cycling (Seraph) TT-X34

Stack	508.4mm	521mm +12.6mm
Reach	372mm	377mm +5mm
Stack to Reach Ratio	1.37:1	1.38:1
Seat Tube Length, C-T	450mm	453mm +3mm
Top Tube Length, Effective/Horizontal Center	512mm	—
Top Tube Length, Effective/Horizontal HT Top	—	521mm
Top Tube Slope	8.6deg	9.6deg +1deg
Head Tube Angle	72.1deg	72.1deg +0deg
Seat Tube Angle	74.6deg	74.6deg +0deg
Head Tube Length	100mm	111mm +11mm
Bottom Bracket Drop	70mm	72mm +2mm
Bottom Bracket Height	269mm	269mm +0mm
Chainstay Length	410mm	410mm +0mm
Chainstay Length Horizontal	404mm	403.6mm -0.4mm
Front-Center	565.2mm	574mm +8.8mm
Front-Center Horizontal	560.8mm	569.5mm +8.7mm
Wheelbase	964.8mm	973.1mm +8.3mm
Fork Offset/Rake	45mm	45mm +0mm
Fork Length (Axle-To-Crown)	375mm	—
Trail	62.2mm mid/neutral	62.9mm +0.7mm mid/neutral
Mechanical Trail	59.2mm	59.8mm +0.6mm
Wheel Flop	18.2mm	18.4mm +0.2mm
Tire to Pedal Spindle	56.2mm 170 mm cranks	63mm +6.8mm 170 mm cranks
Pedal Spindle to Ground Clearance	99mm 170 mm cranks	99mm +0mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	28mm	30mm +2mm
Tire Outer Diameter	678mm	682mm +4mm
Bike Length with Tires	1642.8mm	1655.1mm +12.3mm
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.bxtcycle.com/bxt-road-145_p75.html	http://tantancycling.com/index.php?_m=mod_product&_a=view&p_id=1043
Brand	BXT	TanTan Cycling (Seraph)
Bike	2023 BX-Road-145 Pro-145	2023 TT-X34 Base
Size	47	XS / 50
Category	Performance Road	Performance Road