2021 Schwinn Bicycle Company Fastback Carbon 105

	XS	SM	MD	LG	XL
Stack	520mm	542.6mm	571.9mm	604.1mm	623.3mm
Reach	365mm	372.3mm	369.6mm	369.7mm	378.5mm
Stack to Reach Ratio	1.42:1	1.46:1	1.55:1	1.63:1	1.65:1
Seat Tube Length, Unknown	450mm	480mm	510mm	540mm	570mm
Top Tube Length, Effective/Horizontal Unknown	514mm	533mm	550mm	566mm	587mm
Top Tube Slope	10.1deg	9.2deg	9.3deg	9.6deg	8.4deg
Head Tube Angle	70.5deg	71deg	72deg	73deg	73deg
Seat Tube Angle	74deg	73.5deg	72.5deg	72deg	71.5deg
Head Tube Length	116mm	138mm	165mm	195mm	215mm
Bottom Bracket Drop	70mm	70mm	70mm	70mm	70mm
Bottom Bracket Height	266mm	266mm	266mm	266mm	266mm
Chainstay Length	408mm	410mm	413mm	415mm	417mm
Chainstay Length Horizontal	402mm	404mm	407mm	409.1mm	411.1mm
Front-Center	576.3mm	586.2mm	584.2mm	585.2mm	599mm
Front-Center Horizontal	572.1mm	582mm	580mm	581mm	594.9mm
Wheelbase	974mm	986mm	987mm	990mm	1006mm
Fork Offset/Rake	45mm	45mm	45mm	45mm	45mm
Trail	71.3mm high	68.1mm high	61.9mm mid/neutral	55.7mm mid/neutral	55.7mm mid/neutral
Mechanical Trail	67.2mm	64.4mm	58.8mm	53.2mm	53.2mm
Wheel Flop	22.4mm	21mm	18.2mm	15.6mm	15.6mm
Standover Height	712.1mm	739.2mm	769.9mm	801.9mm	826.6mm
Tire to Pedal Spindle	70.3mm 170 mm cranks	80.2mm 170 mm cranks	75.7mm 172.5 mm cranks	76.7mm 172.5 mm cranks	88mm 175 mm cranks
Pedal Spindle to Ground Clearance	96mm 170 mm cranks	96mm 170 mm cranks	93.5mm 172.5 mm cranks	93.5mm 172.5 mm cranks	91mm 175 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.schwinnbikes.com/products/fastback-carbon-105-road-bike?variant=41490045862057

Geometry