Name: 2026 TanTan Cycling (Seraph) GR356 Base
Brand: TanTan Cycling (Seraph)

	S	M	L	XL
Stack	565.5mm	591mm	617mm	640mm
Reach	361mm	374mm	386mm	398mm
Stack to Reach Ratio	1.57:1	1.58:1	1.6:1	1.61:1
Seat Tube Length, C-T	449mm	479mm	504mm	518mm
Top Tube Length, Effective/Horizontal HT Top	528.5mm	549mm	569mm	587.6mm
Top Tube Slope	15.5deg	14.5deg	14.2deg	14.7deg
Head Tube Angle	70.5deg	70.5deg	71.5deg	71.5deg
Seat Tube Angle	73.5deg	73.5deg	73.7deg	73.5deg
Head Tube Length	111mm	141mm	164mm	191mm
Bottom Bracket Drop	91mm	88mm	88mm	86mm
Bottom Bracket Height	273.3mm	276.3mm	276.3mm	278.3mm
Chainstay Length	440mm	440mm	440mm	440mm
Chainstay Length Horizontal	430.5mm	431.1mm	431.1mm	431.5mm
Front-Center	589mm	611.5mm	622mm	642mm
Front-Center Horizontal	582mm	604.9mm	615.5mm	636.1mm
Wheelbase	1012.5mm	1036mm	1046.6mm	1067.6mm
Fork Offset/Rake	50mm	50mm	50mm	50mm
Fork Length (Axle-To-Crown)	409mm	409mm	409mm	409mm
Trail	76mm high	76mm high	69.2mm high	69.2mm high
Mechanical Trail	71.6mm	71.6mm	65.6mm	65.6mm
Wheel Flop	23.9mm	23.9mm	20.8mm	20.8mm
Tire to Pedal Spindle	54.7mm 170 mm cranks	77.2mm 170 mm cranks	87.7mm 170 mm cranks	107.7mm 170 mm cranks
Pedal Spindle to Ground Clearance	103.3mm 170 mm cranks	106.3mm 170 mm cranks	106.3mm 170 mm cranks	108.3mm 170 mm cranks

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Somewhat Upright

Average

Somewhat Aggressive

Very Aggressive

The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.

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2026 TanTan Cycling (Seraph) GR356 Base

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