2020 Harley-Davidson FLHXS Street Glide Special Parts & Accessories
Touring
Milwaukee-Eight Touring (2017-2023)
1,131 parts available
278 Performance
168 Maintenance
685 Accessories
2020 Harley-Davidson FLHXS Street Glide Special
About the 2020 Harley-Davidson FLHXS Street Glide Special
The 2020 Harley-Davidson Street Glide Special is a premium factory-custom bagger powered by the Milwaukee-Eight 114 engine. This model year is significant for introducing the optional Reflex Defensive Rider Systems (RDRS) and featuring a redesigned oil pump that addressed the 'sumping' issues found in earlier Milwaukee-Eight iterations. It sits as the blacked-out, high-performance alternative to the chrome-heavy Street Glide Standard.
What Makes This Trim Special
- Milwaukee-Eight 114 Engine — The Special comes with the 114ci engine, while the Standard model retained the 107ci engine for 2020.
- Blacked-out Finishes — Includes blacked-out engine components, exhaust, front forks, handlebars, and tank console.
- Stretched Saddlebags — Factory-installed 'dropped' bags that wrap around the exhaust for a lower, custom look.
- Gloss Black Prodigy Wheels — 19-inch front and 18-inch rear aluminum wheels exclusive to the Special trim.
- Boom! Box GTS Infotainment — Standard 6.5-inch color touchscreen with Apple CarPlay and Android Auto support (wired).
Likely but unverified:
- Reflex Defensive Rider Systems (RDRS) — A $995 factory option for 2020 including cornering ABS, traction control, and hill-hold assist.
Key Specifications
| Engine |
Milwaukee-Eight 114 V-Twin 102mm bore x 114mm stroke; 10.5:1 compression ratio |
| Displacement | 114 cu in (1,868 cc) |
| Fuel System | Electronic Sequential Port Fuel Injection (ESPFI) |
| Cooling | Air/Oil Cooled |
| Transmission | 6-Speed Cruise Drive |
| Drivetrain | Belt final drive |
| Front Suspension | 49mm Dual Bending Valve telescopic fork |
| Rear Suspension |
Premium Low Hand-Adjustable Rear Suspension Short-travel (2.1 in) compared to standard touring models for a lower stance |
| Front Brakes | 32 mm, 4-piston fixed Brembo, Dual floating rotors |
| Rear Brakes | 32 mm, 4-piston fixed Brembo, Single rotor |
| Front Tire | 130/60B19 61H |
| Rear Tire |
180/55B18 80H The Special uses an 18-inch rear wheel, whereas the Standard often used a 16-inch in prior years |
| Weight | 827 lbs (Running Order) |
| Seat Height | 26.1 in (Laden) |
| Fuel Capacity | 6.0 gal |
Ownership at a Glance
What to know about maintaining a 2020 Harley-Davidson FLHXS Street Glide Special
Maintenance
Wear Items
Upgrades
- Rear Suspension
- Stage 2 Camshaft
- Windshield
Replacements
- Battery
- Shift Linkage
Known Issues 4
Top reported problems from owners and mechanics
Medium
Brake Light Software Error (Recall)
A software bug could cause brake lights to stay illuminated without rider input.
Medium
Primary to Transmission Oil Transfer
Oil migrating from the transmission to the primary chaincase.
Low
Spark Plug Misfires
Reports of defective factory spark plugs causing stuttering and rough idle at low miles.
Parts Most Owners Need
Performance Upgrades 278
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Moose Racing
All Balls Racing Fork Oil and Dust Seal Kits
$24.95 - $126.95
3 of 127 options fit
In Stock
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Maintenance Parts 168
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Moose Racing
All Balls Racing Wheel Bearing and Seal Kits
$24.95 - $84.95
4 of 197 options fit
In Stock
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Alloy Art
Alloy Art Mfg. Multi Rear Brake Caliper Mount
$797.95 - $850.95
4 of 4 options fit
In Stock
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Arlen Ness
Arlen Ness Big Sucker™ Stage I Air Filter Kits for M-Eight
$399.95 - $534.95
7 of 17 options fit
In Stock
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Accessories 685
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Frequently Asked Questions About the 2020 Harley-Davidson FLHXS Street Glide Special
Yes, the Boom! Box GTS system supports Apple CarPlay and Android Auto, but it requires a wired connection to the USB port in the fairing and a headset (or a bypass jumper) to be active.
No, the Reflex Defensive Rider Systems (RDRS) was a $995 factory-installed option for the 2020 model year. It became standard on later models.
A full oil change with a new filter requires approximately 5.2 quarts (4.9 liters) of oil.
The Special features the larger 114ci engine (vs 107ci), blacked-out finishes, stretched saddlebags, Prodigy wheels, and the Boom! Box GTS infotainment as standard.
The 'Special' uses 12-inch rear shocks to achieve its low stance, which only provides about 2.1 inches of travel. Most owners upgrade to 13-inch shocks to improve comfort.
Harley-Davidson introduced a redesigned oil pump in late 2019/early 2020 that significantly reduced sumping issues. While rare, it is still possible if the bike is ridden extremely hard or has high-performance modifications.
It uses a YTX30L-BS (or equivalent) 12V AGM battery with at least 400 Cold Cranking Amps (CCA).
The oil should be checked while the engine is at operating temperature and the bike is resting on its jiffy stand (side stand).
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