Compare: 2023 TanTan Cycling (Seraph) TT-X38 Base 58 vs 2026 Merida Bikes Reacto 8000 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 Merida Bikes Reacto

Stack	595mm	593mm -2mm
Reach	400mm	409mm +9mm
Stack to Reach Ratio	1.49:1	1.45:1
Seat Tube Length, C-T	580mm	590mm +10mm
Top Tube Length, Effective/Horizontal Center	582mm	—
Top Tube Length, Effective/Horizontal HT Top	—	590mm
Top Tube Slope	4.1deg	2.8deg -1.3deg
Head Tube Angle	73.3deg	74deg +0.7deg
Seat Tube Angle	73deg	73deg +0deg
Head Tube Length	190mm	175mm -15mm
Bottom Bracket Drop	70mm	66mm -4mm
Bottom Bracket Height	269mm	273mm +4mm
Chainstay Length	410mm	410mm +0mm
Chainstay Length Horizontal	404mm	404.7mm +0.7mm
Front-Center	609mm	609.9mm +0.9mm
Front-Center Horizontal	605mm	606.4mm +1.4mm
Wheelbase	1008.9mm	1011mm +2.1mm
Fork Offset/Rake	45mm	45mm +0mm
Fork Length, Unknown	—	385mm
Trail	54.7mm mid/neutral	50.4mm -4.3mm mid/neutral
Mechanical Trail	52.4mm	48.4mm -4mm
Wheel Flop	15.1mm	13.4mm -1.7mm
Standover Height	—	853mm
Tire to Pedal Spindle	100mm 170 mm cranks	100.9mm +0.9mm 170 mm cranks
Pedal Spindle to Ground Clearance	99mm 170 mm cranks	103mm +4mm 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	1686.9mm	1689mm +2.1mm
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	N/A	https://www.merida-bikes.com/en-gb/bike/5930/reacto-8000
Brand	TanTan Cycling (Seraph)	Merida Bikes
Bike	2023 TT-X38 Base	2026 Reacto 8000
Size	58	XL
Category	Performance Road	Performance Road