2024 Flybike FM686 Base

	49	52	54	56	58
Stack	534mm	553mm	564mm	583mm	602mm
Reach	377mm	376mm	378mm	382mm	391mm
Stack to Reach Ratio	1.42:1	1.47:1	1.49:1	1.53:1	1.54:1
Seat Tube Length, C-T	490mm	520mm	540mm	560mm	580mm
Top Tube Length, Effective/Horizontal HT Top	520mm	535mm	545mm	560mm	575mm
Top Tube Slope	6.9deg	5.8deg	5deg	5deg	4.8deg
Head Tube Angle	71deg	71.5deg	72deg	72deg	72deg
Seat Tube Angle	75deg	74deg	73.5deg	73deg	73deg
Head Tube Length	110mm	130mm	140mm	160mm	180mm
Bottom Bracket Drop	64mm	64mm	64mm	64mm	64mm
Bottom Bracket Height	285mm	285mm	285mm	285mm	285mm
Chainstay Length	425mm	425mm	425mm	425mm	425mm
Chainstay Length Horizontal	420.2mm	420.2mm	420.2mm	420.2mm	420.2mm
Front-Center	591mm	591mm	591mm	601mm	616mm
Front-Center Horizontal	586.9mm	586.9mm	587.9mm	597.9mm	612.9mm
Wheelbase	1007mm	1007mm	1008mm	1018mm	1033mm
Fork Offset/Rake	45mm	45mm	45mm	45mm	45mm
Fork Length (Axle-To-Crown)	400mm	400mm	400mm	400mm	400mm
Trail	72.6mm high	69.3mm high	66.1mm high	66.1mm high	66.1mm high
Mechanical Trail	68.6mm	65.7mm	62.9mm	62.9mm	62.9mm
Wheel Flop	22.3mm	20.9mm	19.4mm	19.4mm	19.4mm
Tire to Pedal Spindle	72mm 170 mm cranks	72mm 170 mm cranks	72mm 170 mm cranks	82mm 170 mm cranks	97mm 170 mm cranks
Pedal Spindle to Ground Clearance	115mm 170 mm cranks	115mm 170 mm cranks	115mm 170 mm cranks	115mm 170 mm cranks	115mm 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.

Category Trend

Source:https://www.flybike-asia.com/product/152.html#c_static_001_P_33970-1701339627910

Geometry