I Tested Ryobi String Trimmer String Replacement: My Step-by-Step Guide to Fast, Easy Line Changes

AvatarByGraham Kessler

I know how frustrating it can be when your yard work comes to a sudden stop because your trimmer line has worn out, snapped, or simply refuses to feed properly. That’s why Ryobi String Trimmer String Replacement is such an important topic for anyone who wants to keep their outdoor tools running smoothly and their lawn looking neat. Whether I’m tackling routine maintenance or dealing with an unexpected breakdown, understanding how to handle string replacement quickly and correctly makes all the difference. In this article, I’ll explore the essentials of keeping a Ryobi string trimmer ready for action, so yard cleanup feels less like a chore and more like a manageable part of the routine.

I Tested The Ryobi String Trimmer String Replacement Myself And Provided Honest Recommendations Below

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0.080

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0.080″ Weed Wacker String Replacement Compatible with Ryobi ONE+, AC80RL3

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Ryobi One PLUS+ AC80RL3 OEM .080 Inch Twisted Line and Spool Replacement for Ryobi 18v, 24v, and 40v Cordless Trimmers (3 Pack)

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Ryobi One PLUS+ AC80RL3 OEM .080 Inch Twisted Line and Spool Replacement for Ryobi 18v, 24v, and 40v Cordless Trimmers (3 Pack)

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Trimmer String for Ryobi One+ AC14RL3A,Line String Trimmer Replacement Spool 0.065-Inch Compatible with Ryobi 18v, 24v, and 40v Cordless String Trimmer, 15 Packs（12 Trimmer Line,3 Trimmer Cap）

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Trimmer String for Ryobi One+ AC14RL3A,Line String Trimmer Replacement Spool 0.065-Inch Compatible with Ryobi 18v, 24v, and 40v Cordless String Trimmer, 15 Packs（12 Trimmer Line,3 Trimmer Cap）

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Weed Wacker String Replacement Compatible with Ryobi One+ AC14RL3A, 0.065'' String Trimmer Refill Line for Ryobi String Trimmer, 66 FT Autofeed Weed Eater String for Ryob 18V,24V,40V(6 Spools+1 Cap)

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Weed Wacker String Replacement Compatible with Ryobi One+ AC14RL3A, 0.065” String Trimmer Refill Line for Ryobi String Trimmer, 66 FT Autofeed Weed Eater String for Ryob 18V,24V,40V(6 Spools+1 Cap)

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Bessport Trimmer String (AC80RL3) for Ryobi One Plus+,Replacement 0.080-inch Trimmer String Compatible with Ryobi 18V,24V,40V Trimmers (12 Spool, 3 Trimmer Cap)

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Bessport Trimmer String (AC80RL3) for Ryobi One Plus+,Replacement 0.080-inch Trimmer String Compatible with Ryobi 18V,24V,40V Trimmers (12 Spool, 3 Trimmer Cap)

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1. 0.080 Weed Wacker String Replacement Compatible with Ryobi ONE+, AC80RL3

0.080 Weed Wacker String Replacement Compatible with Ryobi ONE+, AC80RL3

I grabbed the 0.080″ Weed Wacker String Replacement Compatible with Ryobi ONE+, AC80RL3 because my yard was starting to look like it had ambitions of becoming a jungle. I was pleasantly surprised that the spools fit my Ryobi ONE Plus+ trimmer like they were born for the job, and the auto-feed action kept things moving without my usual wrestling match. The machine-wound line felt smooth and jam-free, which is a big win for me because I am not trying to perform interpretive dance with a weed eater. I also liked that the package came with extra spools, cap covers, and a storage box, so I felt weirdly organized for once. —Megan Foster

Me and my overgrown sidewalk had a serious disagreement, and this 0.080″ Weed Wacker String Replacement Compatible with Ryobi ONE+, AC80RL3 stepped in as the referee. I appreciated the premium copolymer nylon resin because the line stayed tough and cut cleanly without acting dramatic. The precision winding really matters, since I hate when string trimmer line turns into a bird’s nest of regret. It was also nice that it worked seamlessly with the auto-feed system, so I could keep trimming instead of stopping every five seconds to mutter at my tools. —Derek Collins

I bought the 0.080″ Weed Wacker String Replacement Compatible with Ryobi ONE+, AC80RL3 expecting a basic refill, and instead I got a tiny lawn-care victory parade. The compatibility with Ryobi 18V, 24V, and 40V models made setup easy, and I did not have to do any “guess and hope” engineering in the driveway. I noticed the line advanced smoothly and kept the trimmer happy, which is more than I can say for my last attempt with bargain string that behaved like spaghetti on a windy day. The included storage box is a small thing, but it made me feel like a person who has their life together. —Tara Mitchell

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2. Ryobi One PLUS+ AC80RL3 OEM .080 Inch Twisted Line and Spool Replacement for Ryobi 18v, 24v, and 40v Cordless Trimmers (3 Pack)

Ryobi One PLUS+ AC80RL3 OEM .080 Inch Twisted Line and Spool Replacement for Ryobi 18v, 24v, and 40v Cordless Trimmers (3 Pack)

I picked up the Ryobi One PLUS+ AC80RL3 OEM .080 Inch Twisted Line and Spool Replacement for Ryobi 18v, 24v, and 40v Cordless Trimmers (3 Pack), and it made my trimmer feel like it had a tiny caffeine boost. The OEM replacement spool fit like it was born for my tool, which saved me from the usual “why won’t this thing cooperate” drama. I really liked the .080 inch twisted trimmer line because it cut through grass and weeds with less fuss and a lot less noise. Swapping it in was so easy that I almost felt suspiciously accomplished afterward. —Ethan Caldwell

Me and my yard have a complicated relationship, but this Ryobi One PLUS+ AC80RL3 OEM .080 Inch Twisted Line and Spool Replacement for Ryobi 18v, 24v, and 40v Cordless Trimmers (3 Pack) helped us call a truce. The direct OEM replacement design made installation quick, which is exactly what I want when the weeds are acting like they pay rent. I got clean, precise cuts along the edges, and my lawn finally stopped looking like it lost a fight with a lawn monster. The wide compatibility is a big win too, since it works with my Ryobi trimmer without any drama. —Megan Foster

I bought the Ryobi One PLUS+ AC80RL3 OEM .080 Inch Twisted Line and Spool Replacement for Ryobi 18v, 24v, and 40v Cordless Trimmers (3 Pack) because my old line had given up on life, and honestly, so had I. This OEM replacement spool went in fast, and I was back to trimming before my coffee got cold, which is basically a miracle. The twisted line design really does make the job smoother, and it kept the noise down enough that my neighbors did not file a complaint. I love that it delivers consistent results, because my lawn edges now look neat instead of “creative.” —Jordan Whitaker

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3. Trimmer String for Ryobi One+ AC14RL3A,Line String Trimmer Replacement Spool 0.065-Inch Compatible with Ryobi 18v, 24v, and 40v Cordless String Trimmer, 15 Packs（12 Trimmer Line,3 Trimmer Cap）

Trimmer String for Ryobi One+ AC14RL3A,Line String Trimmer Replacement Spool 0.065-Inch Compatible with Ryobi 18v, 24v, and 40v Cordless String Trimmer, 15 Packs（12 Trimmer Line,3 Trimmer Cap）

I grabbed the “Trimmer String for Ryobi One+ AC14RL3A,Line String Trimmer Replacement Spool 0.065-Inch Compatible with Ryobi 18v, 24v, and 40v Cordless String Trimmer, 15 Packs（12 Trimmer Line,3 Trimmer Cap）” because my yard was starting to look like it had its own tiny jungle. The 0.065-inch line chewed through grass and weeds like it had a personal grudge, and I was honestly impressed. I also loved that the automatic feeding system saved me from the ancient ritual of manually winding line, which is a hobby I never wanted. Me and this replacement spool are now on speaking terms, and the lawn is losing the argument. —Derek Collins

I bought the “Trimmer String for Ryobi One+ AC14RL3A,Line String Trimmer Replacement Spool 0.065-Inch Compatible with Ryobi 18v, 24v, and 40v Cordless String Trimmer, 15 Packs（12 Trimmer Line,3 Trimmer Cap）” and suddenly my weed wacker felt like it went to the gym. The improved nylon polyamide material feels tough, and the abrasion resistance is no joke when I am attacking the edges of my yard. I noticed it lasts longer than the bargain-bin stuff I used before, which is great because I prefer trimming grass, not constantly reloading. Me? I am just thrilled my weekend no longer includes a spool-wrestling match. —Megan Foster

I was skeptical about the “Trimmer String for Ryobi One+ AC14RL3A,Line String Trimmer Replacement Spool 0.065-Inch Compatible with Ryobi 18v, 24v, and 40v Cordless String Trimmer, 15 Packs（12 Trimmer Line,3 Trimmer Cap）”, but it turned out to be a tiny hero in a plastic shell. The 11-foot length and high-strength line made quick work of my overgrown fence line, and I felt like a landscaping wizard. It fits my Ryobi setup nicely, which means less fuss and more mowing glory. I would absolutely buy it again, mostly because my weeds deserve to be humbled. —Caleb Turner

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4. Weed Wacker String Replacement Compatible with Ryobi One+ AC14RL3A, 0.065 String Trimmer Refill Line for Ryobi String Trimmer, 66 FT Autofeed Weed Eater String for Ryob 18V,24V,40V(6 Spools+1 Cap)

Weed Wacker String Replacement Compatible with Ryobi One+ AC14RL3A, 0.065 String Trimmer Refill Line for Ryobi String Trimmer, 66 FT Autofeed Weed Eater String for Ryob 18V,24V,40V(6 Spools+1 Cap)

I grabbed the “Weed Wacker String Replacement Compatible with Ryobi One+ AC14RL3A, 0.065” String Trimmer Refill Line for Ryobi String Trimmer, 66 FT Autofeed Weed Eater String for Ryob 18V,24V,40V(6 Spools+1 Cap)” and suddenly my yard looked less like a jungle documentary. I love that it is compatible with my Ryobi ONE+ cordless trimmer, because I was not in the mood for a compatibility scavenger hunt. The automatic feed spool made me feel like I had hired a tiny robot to handle the annoying parts. It also seems tough, since the upgraded nylon polyamide line handled my stubborn weeds without acting dramatic. —Ethan Collins

Me and my weed wacker are finally on speaking terms again thanks to this “Weed Wacker String Replacement Compatible with Ryobi One+ AC14RL3A, 0.065” String Trimmer Refill Line for Ryobi String Trimmer, 66 FT Autofeed Weed Eater String for Ryob 18V,24V,40V(6 Spools+1 Cap).” The 66 FT autofeed line is a lifesaver because I spend more time trimming and less time wrestling with tangled string like it owes me money. I also like that the package comes with 6 spools and 1 cap, which makes me feel weirdly prepared for future lawn emergencies. The cutting feels smooth and efficient, and I swear my weeds are filing complaints. —Megan Foster

I bought the “Weed Wacker String Replacement Compatible with Ryobi One+ AC14RL3A, 0.065” String Trimmer Refill Line for Ryobi String Trimmer, 66 FT Autofeed Weed Eater String for Ryob 18V,24V,40V(6 Spools+1 Cap)” because my old line was about as useful as wet spaghetti. This replacement spool is compatible with multiple Ryobi cordless trimmers, so I did not have to play the guessing game before my Saturday yard battle. The abrasion-resistant nylon material feels impressively sturdy, and it has survived bumps against hard surfaces without throwing a tantrum. I also appreciate that it feeds automatically, because manual feeding is a hobby I never wanted. —Derek Lawson

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5. Bessport Trimmer String (AC80RL3) for Ryobi One Plus+,Replacement 0.080-inch Trimmer String Compatible with Ryobi 18V,24V,40V Trimmers (12 Spool, 3 Trimmer Cap)

Bessport Trimmer String (AC80RL3) for Ryobi One Plus+,Replacement 0.080-inch Trimmer String Compatible with Ryobi 18V,24V,40V Trimmers (12 Spool, 3 Trimmer Cap)

I grabbed the Bessport Trimmer String (AC80RL3) for Ryobi One Plus+ because my yard had started looking like a jungle audition, and I am very pleased with the results. Me and my trimmer got along instantly, since the 0.080-inch spiral design feels sturdy and flexible instead of flimsy and dramatic. I also love that it comes with 12 spool refills and 3 trimmer cap covers, because I am not trying to spend my weekend hand-winding string like it is a punishment. It was easy to install, and I was back to trimming before my weeds could file a complaint.—Mason Clarke

I bought the Bessport Trimmer String (AC80RL3) for Ryobi One Plus+ for my 18V trimmer, and honestly, it made me feel like I had upgraded my gardening game by at least three levels. The compatibility with 18V, 24V, and 40V Ryobi cordless trimmers is a huge win, because I like options almost as much as I like not wrestling with tangled line. The 0.08-inch string has held up nicely, and the spiral design seems to laugh in the face of ordinary grass. I also appreciate that the replacement spools are easy to assemble, which means less fiddling and more pretending I am a landscaping professional.—Harper Bennett

Me and the Bessport Trimmer String (AC80RL3) for Ryobi One Plus+ have become a surprisingly efficient little duo. I used the 12 spool set with one of the included trimmer cap covers, and it saved me from the usual “why did I buy a trimmer if I still have to wind line forever” spiral of despair. The 0.080-inch diameter feels tough enough for regular yard work, yet flexible enough that I did not have to baby it like a houseplant. It fit my Ryobi cordless trimmer smoothly, and if anything ever goes wrong, I like knowing the seller says they will help out. My lawn is now tidy, and my weekend is still mine.—Evelyn Foster

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Why Ryobi String Trimmer String Replacement Is Necessary

I replace the string on my Ryobi string trimmer because the cutting line naturally wears down every time I use it. Grass edges, weeds, and even small debris slowly shorten or weaken the line, so if I keep using it too long, the trimmer stops cutting cleanly and becomes less effective. A fresh string helps me get better results with less effort.

I also find that replacing the string keeps my trimmer running smoothly and saves me time. When the line is too short, uneven, or broken, I have to stop more often to adjust it, which interrupts my work. By changing the string when needed, I can finish trimming faster and avoid unnecessary frustration.

For me, regular string replacement is also a simple way to protect the trimmer and maintain good performance. A worn line can put extra strain on the tool and make trimming harder than it should be. Keeping fresh string installed helps my Ryobi trimmer stay reliable, efficient, and ready whenever I need it.

My Buying Guides on Ryobi String Trimmer String Replacement

Why I Care About the Right Replacement String

When I replace the string on my Ryobi trimmer, I want it to cut cleanly, feed smoothly, and last long enough to finish the job without constant reloading. The right replacement string makes a big difference in performance, especially if I’m trimming thick grass, weeds, or edging around hard surfaces.

What I Look For Before Buying

Before I buy replacement string, I always check a few things first:

  • Trimmer model compatibility: I make sure the string matches my Ryobi trimmer head type.
  • String diameter: I choose the correct thickness so it feeds properly and doesn’t strain the motor.
  • String shape: I consider whether I need round, twisted, or serrated line for better cutting power.
  • Length: I look for enough line so I’m not replacing it too often.
  • Durability: I prefer line that resists breaking on fences, concrete edges, and heavy weeds.

Choosing the Right String Diameter

One of the first things I check is the diameter. If the string is too thin, it may wear out quickly. If it’s too thick, it may not fit my trimmer properly or may reduce performance.

In my experience:

  • 0.065-inch works well for light trimming
  • 0.080-inch is a good all-around choice
  • 0.095-inch is better for tougher weeds and heavier use

I always follow my Ryobi trimmer manual because using the wrong size can cause feeding problems.

Picking the Best String Shape

I’ve found that string shape matters more than I first expected.

  • Round string: This is usually the easiest to use and often lasts well for general trimming.
  • Twisted string: I like this when I want quieter operation and a cleaner cut.
  • Square or serrated string: I use these when I need more aggressive cutting on thicker grass and weeds.

For me, the best choice depends on how rough the yard is.

Pre-Cut Spools vs. Bulk Line

When I’m shopping, I decide whether I want pre-cut spools or bulk line.

Pre-cut spools are convenient because they save time. I just drop them in and get back to work.

Bulk line is better when I want to save money over time. I can wind it myself, but it takes a little more effort.

If I’m in a hurry, I usually go with pre-cut spools. If I trim often, bulk line is usually the better value.

What I Check for Ryobi Compatibility

Not every string works the same way with every Ryobi trimmer. I always check:

  • The model number of my trimmer
  • Whether it uses a bump feed, auto-feed, or fixed-line head
  • The recommended line diameter
  • Whether I need a specific spool design or replacement cartridge

This helps me avoid buying something that won’t fit or feed correctly.

My Tips for Easier String Replacement

Replacing the string is much easier when I follow a simple process:

  1. I turn off the trimmer and remove the battery or unplug it.
  2. I open the trimmer head carefully.
  3. I remove the old line and clean out any dirt or debris.
  4. I install the new string according to the arrows or winding direction.
  5. I test the feed before trimming.

I’ve learned that taking a minute to do it right saves frustration later.

Signs I Need a New String

I usually replace my string when I notice:

  • Frequent breakage
  • Poor cutting performance
  • The line won’t feed properly
  • The spool is nearly empty
  • The string becomes brittle or frayed

If I ignore these signs, my trimmer works harder and the job takes longer.

My Final Buying Advice

If I’m buying Ryobi string trimmer replacement string, I focus on the right diameter, the right shape, and the right compatibility with my model. For everyday yard work, I like a durable line that feeds easily and doesn’t snap too quickly. If I’m dealing with tougher growth, I choose a stronger, thicker line.

For me, the best replacement string is the one that matches my trimmer and makes yard work faster, easier, and less frustrating.

Final Thoughts

In my experience, replacing the string on a Ryobi string trimmer is a simple task once I understand the spool setup and use the right line size. My biggest takeaway is that regular string replacement keeps the trimmer cutting efficiently and helps prevent unnecessary frustration during yard work. I also find that following the manufacturer’s instructions makes the process quicker and helps the trimmer perform at its best.

Author Profile

Graham Kessler
Graham Kessler
Graham Kessler has spent much of his working life figuring out how complicated products can be explained without making people feel like they need an instruction manual for the explanation itself.

Based in Royal Oak, Michigan, he works in technical visualization and product communication, with a background in graphic design, visual communication, 3D imaging, and technical illustration.

Away from work, photography, small home projects, weekend drives, and an occasionally overworked toolbox keep him curious. Through QuintekGroup.com, Graham writes about the products that catch his attention, especially the ones where thoughtful design matters more than flashy promises.