Harley-Davidson Softail Fat Boy Special FLSTFB 2015 vs. Harley-Davidson Softail Sport Glide FLSB 2020

Technical Specifications Harley-Davidson Softail Fat Boy Special FLSTFB 2015 compared to Harley-Davidson Softail Sport Glide FLSB 2020

Harley-Davidson Softail Fat Boy Special FLSTFB 2015

Harley-Davidson Softail Sport Glide FLSB 2020

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Differences

Harley-Davidson Softail Fat Boy Special FLSTFB 2015

Harley-Davidson Softail Sport Glide FLSB 2020

Engine and Drive Train

Bore	Bore	98.4 mm	Bore	100 mm
Stroke	Stroke	111.1 mm	Stroke	111 mm
Torque	Torque	132 Nm	Torque	146 Nm
Rpm at Torque	Rpm at Torque	3,250 rpm	Rpm at Torque	2,750 rpm
Compression Ratio	Compression Ratio	9.6	Compression Ratio	10
Clutch Type	Clutch Type	Multiplate in oil-bath	Clutch Type	Multiplate in oil-bath
Ignition	Ignition	Transistor	Ignition	Transistor
Transmission	Transmission	Belt	Transmission	Belt
Number of gears	Number of gears	6	Number of gears	6
Valves	Valves	OHV	Valves	OHV
Cooling	Cooling	Air	Cooling	Air
Displacement	Displacement	1,690 ccm	Displacement	1,746 ccm

Suspension Front

Front suspension	Front suspension	Telescopic fork	Front suspension	Upside-Down telescopic fork

Chassis

Frame	Frame	Steel	Frame	Steel
Frame type	Frame type	Double cradle	Frame type	Double cradle

Brakes Front

Type	Type	Single disk	Type	Single disk
Piston	Piston	Four pistons	Piston	Four pistons
Shock mount	Shock mount	Fixed caliper	Shock mount	Fixed caliper

Brakes Rear

Type	Type	Disc	Type	Disc
Piston	Piston	Double piston	Piston	Double piston
Shock mount	Shock mount	Floating caliper	Shock mount	Floating caliper

Dimensions and Weights

Front tyre width	Front tyre width	140 mm	Front tyre width	130 mm
Front tyre height	Front tyre height	75 %	Front tyre height	70 %
Front tyre diameter	Front tyre diameter	17 inch	Front tyre diameter	18 inch
Rear tyre width	Rear tyre width	200 mm	Rear tyre width	180 mm
Rear tyre height	Rear tyre height	55 %	Rear tyre height	70 %
Rear tyre diameter	Rear tyre diameter	17 inch	Rear tyre diameter	16 inch
Length	Length	2,385 mm	Length	2,330 mm
Width	Width	990 mm	Width	972 mm
Height	Height	1,095 mm	Height	1,120 mm
Wheelbase	Wheelbase	1,630 mm	Wheelbase	1,625 mm
Seat Height	Seat Height	670 mm	Seat Height	673 mm
Fuel Tank Capacity	Fuel Tank Capacity	18.9 l	Fuel Tank Capacity	18.9 l
License compliancy	License compliancy	A	License compliancy	A