2023 TanTan Cycling (Seraph) FM025 Base

	S	M	L	XL	XXL
Stack	515mm	525mm	540mm	560mm	590mm
Reach	381mm	386mm	391mm	397mm	402mm
Stack to Reach Ratio	1.35:1	1.36:1	1.38:1	1.41:1	1.47:1
Seat Tube Length, C-T	460mm	490mm	520mm	540mm	560mm
Seat Tube Length, Effective Center	490mm	520mm	540mm	560mm	590mm
Top Tube Length, Effective/Horizontal Center	525mm	541mm	556mm	572mm	587mm
Top Tube Length, Effective/Horizontal Unknown	143.5mm	153.5mm	163.5mm	174.5mm	175mm
Top Tube Slope	8.1deg	5.9deg	4.4deg	4.5deg	5.6deg
Head Tube Angle	71.7deg	72.2deg	72.7deg	73deg	73.5deg
Seat Tube Angle	74.6deg	74deg	73.5deg	73deg	72.6deg
Head Tube Length	115mm	125mm	140mm	160mm	185mm
Bottom Bracket Drop	69mm	69mm	69mm	69mm	69mm
Bottom Bracket Height	272mm	272mm	272mm	272mm	272mm
Chainstay Length	410mm	410mm	410mm	410mm	410mm
Chainstay Length Horizontal	404.2mm	404.2mm	404.2mm	404.2mm	404.2mm
Front-Center	583mm	590mm	596mm	602mm	625mm
Front-Center Horizontal	574.9mm	583.9mm	591.9mm	603.9mm	612.9mm
Wheelbase	979mm	988mm	996mm	1008mm	1017mm
Fork Offset/Rake	45mm	45mm	45mm	45mm	45mm
Fork Length (Axle-To-Crown)	375mm	375mm	375mm	375mm	375mm
Trail	65.4mm high	62.2mm mid/neutral	59.1mm mid/neutral	57.2mm mid/neutral	54.1mm mid/neutral
Mechanical Trail	62.1mm	59.2mm	56.4mm	54.7mm	51.9mm
Wheel Flop	19.5mm	18.1mm	16.8mm	16mm	14.7mm
Standover Height	740mm	765mm	790mm	810mm	829mm
Tire to Pedal Spindle	72mm 170 mm cranks	79mm 170 mm cranks	85mm 170 mm cranks	91mm 170 mm cranks	114mm 170 mm cranks
Pedal Spindle to Ground Clearance	102mm 170 mm cranks	102mm 170 mm cranks	102mm 170 mm cranks	102mm 170 mm cranks	102mm 170 mm cranks

Published Sizing Recommendations

Height

160 cm

166 cm

172 cm

178 cm

184 cm

190 cm

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:http://www.tantancycling.com/index.php?_m=mod_product&_a=view&p_id=1073