2022 HongFu Bikes FM169-F Base

	470	500	530	560	580
Stack	493.5mm	512mm	533mm	551mm	569.9mm
Reach	362.8mm	376mm	391mm	396mm	403.2mm
Stack to Reach Ratio	1.36:1	1.36:1	1.36:1	1.39:1	1.41:1
Seat Tube Length, C-T	464.8mm	489mm	508mm	530mm	551mm
Top Tube Length, Actual C-C	509mm	528mm	549mm	560mm	580mm
Top Tube Slope	5.5deg	4.8deg	4.9deg	4.5deg	4.3deg
Head Tube Angle	69.5deg	72deg	72.8deg	73.3deg	73.3deg
Seat Tube Angle	73.5deg	73.5deg	73.5deg	73.5deg	73.5deg
Head Tube Length	100mm	110mm	130mm	147mm	165mm
Bottom Bracket Drop	70mm	70mm	70mm	70mm	70mm
Bottom Bracket Height	269mm	269mm	269mm	269mm	269mm
Chainstay Length	415mm	415mm	415mm	415mm	415mm
Chainstay Length Horizontal	409.1mm	409.1mm	409.1mm	409.1mm	409.1mm
Front-Center	574mm	572mm	583mm	593mm	604.7mm
Front-Center Horizontal	569.7mm	567mm	578mm	589mm	600.6mm
Wheelbase	978.7mm	976mm	987mm	998mm	1009.6mm
Fork Offset/Rake	45mm	45mm	45mm	45mm	45mm
Fork Length (Axle-To-Crown)	368mm	368mm	368mm	368mm	368mm
Trail	78.7mm high	62.8mm mid/neutral	57.8mm mid/neutral	54.7mm mid/neutral	54.7mm mid/neutral
Mechanical Trail	73.7mm	59.8mm	55.3mm	52.4mm	52.4mm
Wheel Flop	25.8mm	18.5mm	16.3mm	15.1mm	15.1mm
Tire to Pedal Spindle	65mm 170 mm cranks	63mm 170 mm cranks	74mm 170 mm cranks	84mm 170 mm cranks	95.7mm 170 mm cranks
Pedal Spindle to Ground Clearance	99mm 170 mm cranks	99mm 170 mm cranks	99mm 170 mm cranks	99mm 170 mm cranks	99mm 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/19.html

Geometry