2021 Commencal FCB Base

	S	M	L	XL
Stack	570mm	575mm	578mm	583mm
Reach	398mm	417mm	435mm	469mm
Stack to Reach Ratio	1.43:1	1.38:1	1.33:1	1.24:1
Seat Tube Length, Unknown	510mm	530mm	550mm	570mm
Top Tube Length, Effective/Horizontal Unknown	565mm	585mm	605mm	640mm
Top Tube Slope	8.5deg	6.7deg	4.9deg	3.3deg
Head Tube Angle	71.5deg	71.5deg	71.5deg	71.5deg
Seat Tube Angle	73.5deg	73.5deg	73.5deg	73.5deg
Head Tube Length	160mm	165mm	170mm	175mm
Bottom Bracket Drop	65mm	65mm	65mm	65mm
Bottom Bracket Height	296mm	296mm	296mm	296mm
Chainstay Length	416mm	416mm	416mm	416mm
Chainstay Length Horizontal	410.9mm	410.9mm	410.9mm	410.9mm
Front-Center	612.6mm	627.5mm	652.4mm	692.2mm
Front-Center Horizontal	609.1mm	624.1mm	649.1mm	689.1mm
Wheelbase	1020mm	1035mm	1060mm	1100mm
Fork Offset/Rake	45mm	45mm	45mm	45mm
Trail	73.3mm high	73.3mm high	73.3mm high	73.3mm high
Mechanical Trail	69.6mm	69.6mm	69.6mm	69.6mm
Wheel Flop	22.1mm	22.1mm	22.1mm	22.1mm
Tire to Pedal Spindle	81.6mm 170 mm cranks	96.5mm 170 mm cranks	121.4mm 170 mm cranks	161.2mm 170 mm cranks
Pedal Spindle to Ground Clearance	126mm 170 mm cranks	126mm 170 mm cranks	126mm 170 mm cranks	126mm 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.commencalusa.com/fcb-c2x30728317

Geometry