Harley-Davidson Softail Sport Glide FLSB (FLSB) — Cruiser
NastyNils / Harley-Davidson press archive

2018–2024 · Cruiser · Buyer's Guide

Softail Sport Glide FLSB (FLSB)

The Softail That Tours

The Machine's Character

The Sport Glide is the Softail that refuses to pick a lane. Underneath sits the 1746 cc Milwaukee-Eight V-twin, a 45-degree air- and oil-cooled big twin sending 86 hp and a thick 107 lb-ft through a six-speed box and a belt final drive. The clever part is the bodywork. A detachable mini fairing and a pair of hard, lockable panniers pull off in seconds, so the same machine goes from stripped boulevard cruiser to light tourer between Saturday and Sunday. An inverted fork and a hidden monoshock give it a chassis that feels planted rather than floppy, and ABS is standard on this trim.

On the road it reads as a proper Harley first and a tourer second. The torque arrives early and easy, the belt keeps things quiet and low on upkeep, and at 699 lb the mass sits low enough that the 26.8-inch seat lets most riders flat-foot a stop. It ages well because there is real metal here and the build holds up to a close look. Who it is for: the rider who wants one Harley that covers the weekend blast and the longer haul. The honest caveat is the weight, plus a 5.0-gallon tank that keeps touring range modest.

Hard Numbers

Spec sheets don't ride bikes, but they set the baseline.

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Key specifications
Power 86 hp (64 kW)
Torque 107 lb-ft (145 Nm)
Displacement 1746 cc
Engine 45° V-twin
Cooling Air/oil-cooled
Gearbox 6-speed
Final drive Belt
Fork Upside-down (USD)
Front brake 300 mm
Front tire 130/70-18
Rear tire 180/70-16
Seat height 26.8 in (680 mm)
Wet weight 699 lb (317 kg)
Fuel capacity 5.0 gal (18.9 L)

Equipment check

Chassis

  • Rear Suspension Adjustable Standard
  • Cruise Control Standard

Comfort

  • Luggage System Standard

Safety

  • ABS Standard

The Voice of Experience

Portrait of NastyNils

The test ride

Thumb the starter and the big twin settles into that familiar off-beat idle you feel through the pegs and the seat before you really hear it. It never turns harsh. There is texture down low, the kind that tells you the engine is alive, then it smooths out as the revs climb and the mirrors stay usable. The riding position is relaxed and mid-set, easy on the wrists, and the low seat means stops never feel like a wrestling match despite what you rolled up on. Get it rolling and the weight all but disappears. At highway speed it tracks dead straight and shrugs off crosswinds and truck wash, which is where this bike quietly earns its keep. The one sour note reaches you over rough pavement, where the fairing and bags can buzz enough to remind you they bolt on.

A long, straight paved road stretches toward the horizon through agricultural fields in Vermont. Power lines and a mailbox are visible along the roadside. Lush green vegetation, cumulus clouds, good daylight conditions. The landscape is flat to gently rolling. Asphalt pavement appears to be in good condition. Rural American setting.
Meric Tuna / Pexels

The Truth on the Street

This isn't my logbook talking. It's what I've gathered over years of listening to riders: the talk at paddocks and gas stops, club nights, and the owner mail that keeps reaching me. For the Sport Glide the read comes out positive, with the gripes landing in a few familiar places.

The Engine And Chassis Carry It

The 107-inch V-twin takes most of the credit. Riders single out its strong low-end shove and the rumble that gives the bike its personality, in town and out on the highway. The updated chassis earns nearly as much goodwill, with owners reporting flatter, more settled cornering and a smoother ride than older Softails managed. Many also point to the quick-change bodywork, the fairing and locking bags that come off in seconds, and how much big-twin lands here for less than the full tourers cost.

The Gripes That Recur

Braking draws the loudest complaint. Given the weight, riders say the single front disc does the job but never with the confidence they'd like. The smaller notes follow. The passenger seat takes regular criticism as too small and thinly padded, and many swap it early. Some mention a rattle creeping into the fairing and bags over rough roads, and a few find the firm suspension harsh over bad pavement.

Known issues

  • Rattling from detachable fairing and bags

    bodyworkoccasional

    Owners report that the removable fairing and hard saddlebags can rattle and buzz, especially over rough pavement, leading to a perception of lower build quality.

The Expert Benchmark

Where this Harley-Davidson Softail Sport Glide FLSB pulls ahead of — or falls behind — its rivals on the numbers, and the typical bike in its class on character.

What kind of bike this is — character vs. the class

This bike Class average

The shape of the Harley-Davidson Softail Sport Glide FLSB — numbers and character vs. the average Cruiser

Head-to-head: Harley-Davidson Softail Sport Glide FLSB vs. its rivals

The 'Should I Buy It?' Score

Forget spec-sheet bragging. Here's who the Softail Sport Glide FLSB is actually built for.

Aerial view of a winding asphalt road cutting through volcanic terrain on La Gomera, Canary Islands. The road curves through sparse green vegetation with rocky volcanic peaks visible in the background and a settled valley to the left. Clear lane markings, dry climate, partly cloudy sky.

Best cruiser for Sturgis?

This is your lane. It looks the part rolling into Sturgis or down A1A, it sounds like a Harley should, and the pull off idle makes the miles between rallies easy. Buy it for the feeling, and it delivers.

Made for A1A — Florida Atlantic Coast · Black Hills / Sturgis Rally Hub · Daytona Main Street / Bike Week

Best retro motorcycle for road trips?

For small towns and historic routes at an easy pace, the low seat and relaxed reach fit you well. The bags earn their keep on an overnight, just don't expect it to feel light or sip fuel.

Made for Acadia National Park · Austin / Handbuilt Motorcycle Show · Blue Ridge Parkway

Best touring motorcycle for long distance?

It crosses states easily on rock-steady highway manners, but the small tank and the weight make it a lighter tourer than a full dresser. Best solo, a tighter fit two-up and fully loaded.

Made for Beartooth Highway · Blue Ridge Parkway · Going-to-the-Sun Road

Alternatives to the Harley-Davidson Softail Sport Glide FLSB

If this one isn't quite the fit, these are the bikes worth riding back-to-back against it.

Any price note compares both bikes at the same age — the youngest age both have on the used market — against this Harley-Davidson Softail Sport Glide FLSB. “cheaper/pricier” is what that bike costs second-hand, not how worn it is.