2023 TanTan Cycling (Seraph) GR048 Base

	Small	Medium	Large	XLarge
Stack	560mm	579mm	600mm	620mm
Reach	364mm	373mm	381mm	389mm
Stack to Reach Ratio	1.54:1	1.55:1	1.57:1	1.59:1
Seat Tube Length, Unknown	450mm	480mm	500mm	520mm
Top Tube Length, Effective/Horizontal Unknown	522mm	539mm	556mm	573mm
Top Tube Slope	14.6deg	13.1deg	13deg	12.8deg
Head Tube Angle	70.75deg	71deg	71.25deg	71.25deg
Seat Tube Angle	74.25deg	74deg	73.75deg	72.5deg
Head Tube Length	130mm	150mm	170mm	190mm
Bottom Bracket Drop	75mm	75mm	75mm	75mm
Bottom Bracket Height	274mm	274mm	274mm	274mm
Chainstay Length	425mm	425mm	425mm	425mm
Chainstay Length Horizontal	418.3mm	418.3mm	418.3mm	418.3mm
Front-Center	591mm	604mm	616mm	631mm
Front-Center Horizontal	586.7mm	599.7mm	611.7mm	626.7mm
Wheelbase	1005mm	1018mm	1030mm	1045mm
Fork Offset/Rake	50mm	50mm	50mm	50mm
Fork Length (On-Axis)	—	400mm	—	—
Fork Length, Unknown	400mm	—	400mm	400mm
Trail	68.9mm high	67.3mm high	65.7mm high	65.7mm high
Mechanical Trail	65.1mm	63.6mm	62.2mm	62.2mm
Wheel Flop	21.5mm	20.7mm	20mm	20mm
Tire to Pedal Spindle	69.5mm 172.5 mm cranks	82.5mm 172.5 mm cranks	94.5mm 172.5 mm cranks	109.5mm 172.5 mm cranks
Pedal Spindle to Ground Clearance	101.5mm 172.5 mm cranks	101.5mm 172.5 mm cranks	101.5mm 172.5 mm cranks	101.5mm 172.5 mm cranks

Very Upright

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.

Category Trend

Source:https://ae01.alicdn.com/kf/S64cf6613199e4197910433530a5aba059.jpg

Geometry