Compare: 2023 TanTan Cycling (Seraph) TT-X38 Base 58 vs 2025 LOOK Cycle 795 Blade RS Disc XL

Insights

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of TanTan Cycling (Seraph) TT-X38

Somewhat aggressive stack and reach vs trend of performance road bikes

Design deviates from other sizes of LOOK Cycle 795

Stack	595mm	597.2mm +2.2mm
Reach	400mm	411.2mm +11.2mm
Stack to Reach Ratio	1.49:1	1.45:1
Seat Tube Length, C-T	580mm	579.7mm -0.3mm
Top Tube Length, Effective/Horizontal Center	582mm	—
Top Tube Length, Effective/Horizontal Unknown	—	576.8mm
Top Tube Slope	4.1deg	3.9deg -0.2deg
Head Tube Angle	73.3deg	73deg -0.3deg
Seat Tube Angle	73deg	74.5deg +1.5deg
Head Tube Length	190mm	189.5mm -0.5mm
Bottom Bracket Drop	70mm	68mm -2mm
Bottom Bracket Height	269mm	268mm -1mm
Chainstay Length	410mm	415mm +5mm
Chainstay Length Horizontal	404mm	409.4mm +5.4mm
Front-Center	609mm	621.6mm +12.6mm
Front-Center Horizontal	605mm	617.9mm +12.9mm
Wheelbase	1008.9mm	1027.3mm +18.4mm
Fork Offset/Rake	45mm	43mm -2mm
Fork Length (On-Axis)	—	368mm
Trail	54.7mm mid/neutral	57.8mm +3.1mm mid/neutral
Mechanical Trail	52.4mm	55.2mm +2.8mm
Wheel Flop	15.1mm	16.2mm +1.1mm
Standover Height	—	836mm
Tire to Pedal Spindle	100mm 170 mm cranks	115.6mm +15.6mm 170 mm cranks
Pedal Spindle to Ground Clearance	99mm 170 mm cranks	98mm -1mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	28mm	25mm -3mm
Tire Width Max	32mm	—
Tire Outer Diameter	678mm	672mm -6mm
Bike Length with Tires	1686.9mm	1699.3mm +12.4mm
Stem Angle	—	-7deg
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