2024 HongFu Bikes FM238 Base

	XS	S	M	L	XL
Stack	547mm	548mm	568mm	590mm	611mm
Reach	344mm	369mm	375mm	378mm	386mm
Stack to Reach Ratio	1.59:1	1.49:1	1.51:1	1.56:1	1.58:1
Seat Tube Length, C-T	490mm	497mm	516mm	537mm	558mm
Top Tube Length, Effective/Horizontal Center	505mm	533mm	543mm	553mm	567mm
Top Tube Slope	9.1deg	8deg	8deg	8.1deg	7.9deg
Head Tube Angle	71.5deg	71deg	72deg	73deg	73deg
Seat Tube Angle	73.5deg	73.5deg	73.5deg	73.5deg	73.5deg
Head Tube Length	125mm	128mm	145mm	164mm	186mm
Bottom Bracket Drop	73mm	73mm	73mm	73mm	73mm
Bottom Bracket Height	270mm	270mm	270mm	270mm	270mm
Chainstay Length	415mm	415mm	415mm	415mm	415mm
Chainstay Length Horizontal	408.5mm	408.5mm	408.5mm	408.5mm	408.5mm
Front-Center	554mm	585mm	588mm	588mm	602mm
Front-Center Horizontal	549.5mm	580.5mm	583.5mm	583.5mm	597.5mm
Wheelbase	958mm	989mm	992mm	992mm	1006mm
Fork Offset/Rake	45mm	45mm	45mm	45mm	45mm
Fork Length (Axle-To-Crown)	390mm	390mm	390mm	390mm	390mm
Trail	67.3mm high	70.5mm high	64.1mm mid/neutral	57.8mm mid/neutral	57.8mm mid/neutral
Mechanical Trail	63.8mm	66.7mm	61mm	55.3mm	55.3mm
Wheel Flop	20.3mm	21.7mm	18.9mm	16.2mm	16.2mm
Tire to Pedal Spindle	41mm 170 mm cranks	72mm 170 mm cranks	75mm 170 mm cranks	75mm 170 mm cranks	89mm 170 mm cranks
Pedal Spindle to Ground Clearance	100mm 170 mm cranks	100mm 170 mm cranks	100mm 170 mm cranks	100mm 170 mm cranks	100mm 170 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.

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Source:http://www.hongfu-bikes.com/products/76.html

Geometry