Compare: 2023 TanTan Cycling (Seraph) TT-X34 Base M / 54 vs 2023 Orbea Orca Aero M31 eLTD 53

Insights

Average stack and reach vs trend of performance road bikes

Stack	543mm	542mm -1mm
Reach	386mm	385mm -1mm
Stack to Reach Ratio	1.41:1	1.41:1
Seat Tube Length, C-T	496mm	524mm +28mm
Top Tube Length, Effective/Horizontal Center	—	545.5mm
Top Tube Length, Effective/Horizontal HT Top	545mm	—
Top Tube Slope	7.3deg	4.2deg -3.1deg
Head Tube Angle	73deg	72.8deg -0.2deg
Seat Tube Angle	73.7deg	73.5deg -0.2deg
Head Tube Length	131mm	134.9mm +3.9mm
Bottom Bracket Drop	72mm	74mm +2mm
Bottom Bracket Height	269mm	262mm -7mm
Chainstay Length	410mm	408mm -2mm
Chainstay Length Horizontal	403.6mm	401.2mm -2.4mm
Front-Center	582mm	579.6mm -2.4mm
Front-Center Horizontal	577.5mm	574.9mm -2.6mm
Wheelbase	981.2mm	976.1mm -5.1mm
Fork Offset/Rake	45mm	43mm -2mm
Fork Length (Axle-To-Crown)	—	370mm
Trail	57.2mm mid/neutral	59mm +1.8mm mid/neutral
Mechanical Trail	54.7mm	56.4mm +1.7mm
Wheel Flop	16mm	16.7mm +0.7mm
Standover Height	—	775mm
Tire to Pedal Spindle	71mm 170 mm cranks	73.6mm +2.6mm 170 mm cranks
Pedal Spindle to Ground Clearance	99mm 170 mm cranks	92mm -7mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	30mm	25mm -5mm
Tire Outer Diameter	682mm	672mm -10mm
Bike Length with Tires	1663.2mm	1648.1mm -15.1mm
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	http://tantancycling.com/index.php?_m=mod_product&_a=view&p_id=1043	https://www.orbea.com/gb-en/bicicletas/carretera/orca-aero/cat/orca-aero-m31eltd-pwr-2023#geometry-and-sizes
Brand	TanTan Cycling (Seraph)	Orbea
Bike	2023 TT-X34 Base	2023 Orca Aero M31 eLTD
Size	M / 54	53
Category	Performance Road	Performance Road