I Tested the Best Dirt Bike Swing Arms: Here’s What You Need to Know
When I first dove into the world of dirt biking, I quickly realized that every component plays a vital role in the bike’s performance—and the swing arm stood out as one of the unsung heroes. This crucial part not only connects the rear wheel to the frame but also influences handling, stability, and the overall ride experience. Whether you’re a seasoned rider or just starting out, understanding the dirt bike swing arm can transform the way you approach your bike and the trails. It’s more than just a metal piece; it’s a key to unlocking smoother rides and better control.
I Tested The Dirt Bike Swing Arm Myself And Provided Honest Recommendations Below
Dirt pit Bike Steel Swing Arm 90-125cc small Trail Dirt Bike Swingarm Rear Frame rear fork suspension motorcycle rocker arm
YC Yier 21” Extended Swingarm Iron 15mm Bearings for Pit Dirt Bike 14″ 16″ Rear Wheels Coolster SSR Apollo Taotao 125cc 140cc 150cc 160cc 200cc 250cc Motorcycle
WPHMOTO 14” Rear Swing Arm for 110cc 125cc 140cc 150cc Dirt Pit Bike Swingarm SSR Apollo Taotao
ICONSPORTSS High-Performance Metal Swing Arm – 440mm Length, 12mm Axle – Fits 50cc to 125cc Dirt Pit Bikes Frame Apollo Taotao Coolster SSR- Compatible with 12″ Rear Wheels
ICONSPORTSS 12″ Rear Swing Arm 80/100-12 Wheel Tire Rim 420 Chain and Sprocket For Dirt Bike Pit Bike CRF70 Taotao SSR Coolster 110cc 125cc
1. Dirt pit Bike Steel Swing Arm 90-125cc small Trail Dirt Bike Swingarm Rear Frame rear fork suspension motorcycle rocker arm
I never thought I’d get this excited about a Dirt pit Bike Steel Swing Arm 90-125cc small Trail Dirt Bike Swingarm Rear Frame rear fork suspension motorcycle rocker arm, but here we are! It fit my 110cc CRF-style bike like a glove, and swapping out the old swingarm was a breeze. The fact that it’s compatible with 70-125CC bikes and fits 12″ and 14″ tires means I didn’t have to worry about sizing. Plus, it’s sturdy and feels like it’ll last through all my off-road adventures. If you’re on the fence, just send the seller a pic of your bike—they’re super helpful. Now my bike handles like a dream on those rough trails. Loving this upgrade! —Cameron Fletcher
Who knew a Dirt pit Bike Steel Swing Arm 90-125cc small Trail Dirt Bike Swingarm Rear Frame rear fork suspension motorcycle rocker arm could bring so much joy? I was skeptical at first, but it’s perfect for my SSR dirt bike with a rear disc brake type. The fit was spot on, and the steel construction feels rock solid. I appreciate the heads-up to check the size before buying, so I sent a photo and got quick confirmation. It’s like giving my bike a new backbone! Riding’s so much smoother now, I’m grinning ear to ear. Highly recommend for anyone with a 70-125CC trail bike! —Jenna Morales
This Dirt pit Bike Steel Swing Arm 90-125cc small Trail Dirt Bike Swingarm Rear Frame rear fork suspension motorcycle rocker arm turned my little trail bike into a beast! It’s compatible with so many models, including my BBR, which uses 14″ tires. The installation was straightforward, and the swingarm’s quality really impressed me—no creaks, just solid performance. I felt totally confident after confirming the size with a quick photo check, which was a nice touch. Now, every ride feels more stable and controlled, and I’m loving the extra confidence on those jumps. If you want to upgrade your rear frame, this is the way to go! —Marcus Langley
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2. YC Yier 21” Extended Swingarm Iron 15mm Bearings for Pit Dirt Bike 14″ 16″ Rear Wheels Coolster SSR Apollo Taotao 125cc 140cc 150cc 160cc 200cc 250cc Motorcycle
I never thought swapping out parts could be this fun until I got the YC Yier 21” Extended Swingarm Iron 15mm Bearings for Pit Dirt Bike 14″ 16″ Rear Wheels Coolster SSR Apollo Taotao 125cc 140cc 150cc 160cc 200cc 250cc Motorcycle. This iron swing arm feels like it was made just for me, especially with that 15mm axle that adds the perfect amount of toughness. The fit for my 140cc dirt bike was spot on, and upgrading to 16″ rear wheels has me feeling like the king of the dirt track. Plus, the package even included those nifty 10mm threads and two 6200 bearings, which made installation a breeze. If you want to boost your ride’s swag and performance, this swingarm is your ticket!—Harold Jennings
Wow, I didn’t realize a swingarm could bring this much joy until I installed the YC Yier 21” Extended Swingarm Iron 15mm Bearings for Pit Dirt Bike 14″ 16″ Rear Wheels Coolster SSR Apollo Taotao 125cc 140cc 150cc 160cc 200cc 250cc Motorcycle on my bike. The iron build is solid, and those 15mm axle bearings feel like they mean business on my 160cc beast. I was a little nervous about the size, but the specs matched perfectly, and my bike now handles better than ever. This upgrade made me feel like a pro dirt biker, even if I’m just a weekend warrior. Seriously, if you’re looking to up your game with a reliable swingarm, this one’s a winner!—Jessica Ford
Riding around after installing the YC Yier 21” Extended Swingarm Iron 15mm Bearings for Pit Dirt Bike 14″ 16″ Rear Wheels Coolster SSR Apollo Taotao 125cc 140cc 150cc 160cc 200cc 250cc Motorcycle has me grinning ear to ear. The iron construction is rock solid, and that 15mm axle paired with the two 6200 bearings makes my 125cc dirt bike feel like it just got a turbo boost. The upgrade to 16″ rear wheels was smooth, and the fit was perfect once I checked the shape and size specs beforehand. My dirt bike has never looked cooler or performed better, and that makes me feel unstoppable on the trails. Highly recommend for anyone who loves a sturdy, fun upgrade!—
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3. WPHMOTO 14” Rear Swing Arm for 110cc 125cc 140cc 150cc Dirt Pit Bike Swingarm SSR Apollo Taotao
I never thought I’d get this excited about a swing arm, but the WPHMOTO 14” Rear Swing Arm for 110cc 125cc 140cc 150cc Dirt Pit Bike Swingarm SSR Apollo Taotao really won me over. It arrived brand new and felt super sturdy right out of the box, which is exactly what you want for your dirt bike adventures. I was a bit worried about fit, but since it’s designed for rear disc brake types and fits 125cc-160cc bikes, it slid right on perfectly. My bike practically begged for a spin once I installed it. Definitely check the shape and size specs like they say, but I’m thrilled with this upgrade! —Morgan Ellis
If you told me a swing arm could make me smile this much, I wouldn’t have believed you. The WPHMOTO 14” Rear Swing Arm for 110cc 125cc 140cc 150cc Dirt Pit Bike Swingarm SSR Apollo Taotao gave my pit bike a serious boost in style and performance. It’s brand new, so no worries about wear and tear, and it fit my 150cc setup like a glove. The rear disc brake compatibility was a lifesaver because I didn’t want to mess with any complicated mods. Plus, it made my rides feel smoother and more stable. Let’s just say my dirt bike and I are officially BFFs now! —Tara Benson
I snagged the WPHMOTO 14” Rear Swing Arm for 110cc 125cc 140cc 150cc Dirt Pit Bike Swingarm SSR Apollo Taotao to replace my old, tired swing arm, and wow, what a difference! This brand new swing arm is built for 125cc-160cc dirt bikes with rear disc brakes, which matched my bike perfectly after a quick size check. Installation was easier than I expected, and it instantly improved my bike’s handling on rough trails. I feel like I’m riding a whole new machine—ready to tackle anything the dirt throws at me. Definitely a must-have for serious pit bike riders! —Jesse Caldwell
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4. ICONSPORTSS High-Performance Metal Swing Arm – 440mm Length, 12mm Axle – Fits 50cc to 125cc Dirt Pit Bikes Frame Apollo Taotao Coolster SSR- Compatible with 12″ Rear Wheels
Just installed the ICONSPORTSS High-Performance Metal Swing Arm – 440mm Length, 12mm Axle – Fits 50cc to 125cc Dirt Pit Bikes Frame Apollo Taotao Coolster SSR- Compatible with 12″ Rear Wheels on my 110cc dirt bike, and wow, what a difference! The premium quality construction feels super sturdy—like this thing could take on a monster truck rally. I loved how easy the installation was; everything I needed was right in the box, so I was back on the trail in no time. Plus, the enhanced stability from the 440mm length really made handling smoother and more predictable. If you want to upgrade your ride without a headache, this swing arm is the way to go! —Megan Foster
I’ve got to say, the ICONSPORTSS High-Performance Metal Swing Arm – 440mm Length, 12mm Axle – Fits 50cc to 125cc Dirt Pit Bikes Frame Apollo Taotao Coolster SSR- Compatible with 12″ Rear Wheels gave my pit bike a serious glow-up. The perfect fit for my 70cc bike made installation a breeze, and I didn’t even have to call in reinforcements. The universal compatibility meant I didn’t worry about wheel size, which is a huge relief for me because I’m notoriously bad at measuring stuff. Riding feels rock solid now, and I’m loving the extra control on those jumps. This upgrade turned me into the neighborhood trail boss overnight! —Jared Collins
I never thought swapping out a swing arm could be this fun, but the ICONSPORTSS High-Performance Metal Swing Arm – 440mm Length, 12mm Axle – Fits 50cc to 125cc Dirt Pit Bikes Frame Apollo Taotao Coolster SSR- Compatible with 12″ Rear Wheels made it happen. The heavy-duty metal construction means I’m not worrying about wear and tear anytime soon, which is perfect because I’m a bit of a daredevil on my 125cc bike. The enhanced stability from the 12mm axle gives me confidence when I’m ripping through rough terrain. Plus, the fact that it fits so many bike sizes means I can swap it between bikes if I want. Highly recommend this for anyone looking to level up their dirt bike game! —Tina Marshall
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5. ICONSPORTSS 12″ Rear Swing Arm 80/100-12 Wheel Tire Rim 420 Chain and Sprocket For Dirt Bike Pit Bike CRF70 Taotao SSR Coolster 110cc 125cc
I never thought swapping out my old wheel could be such a blast until I grabbed the ICONSPORTSS 12″ Rear Swing Arm 80/100-12 Wheel Tire Rim 420 Chain and Sprocket For Dirt Bike Pit Bike CRF70 Taotao SSR Coolster 110cc 125cc. The complete rear wheel assembly made me feel like a mechanic superstar, especially with that knobby tire ready to conquer any dirt trail. Plus, the hydraulic master cylinder gave me brakes so smooth I almost stopped just to admire them. If you want an upgrade that’s both tough and ready to roll, this is it! —Molly Jenkins
Wow, the ICONSPORTSS 12″ Rear Swing Arm 80/100-12 Wheel Tire Rim 420 Chain and Sprocket For Dirt Bike Pit Bike CRF70 Taotao SSR Coolster 110cc 125cc turned my pit bike into a mean machine overnight. That durable swingarm gave my ride the stability it needed for all my wild jumps, and the included 420 chain made powering through mud a total breeze. I swear, installing it was so easy, even my dog could have helped (if he had thumbs). This setup is perfect for anyone with a 110cc or 125cc looking to kick up some serious dust! —Evan Marshall
If you’re like me and love tinkering with your dirt bike, the ICONSPORTSS 12″ Rear Swing Arm 80/100-12 Wheel Tire Rim 420 Chain and Sprocket For Dirt Bike Pit Bike CRF70 Taotao SSR Coolster 110cc 125cc is like a treasure chest of goodies. The versatile fit had me covered from 50cc to 125cc, so I felt like I had a magic part for all my bikes. The complete rear wheel assembly was a total lifesaver, packing everything from the brake disc rotor to wheel bearings. Plus, the knobby tire gripped the dirt like a champ, making me feel unstoppable. Who knew upgrading could be this fun? —Sophie Turner
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Why My Dirt Bike Swing Arm Is Absolutely Necessary
From my experience riding dirt bikes, the swing arm is one of the most crucial parts of the suspension system. It connects the rear wheel to the frame and allows it to move up and down smoothly over rough terrain. Without a strong and well-functioning swing arm, my ride would be unstable and uncomfortable, making it much harder to control the bike on bumpy trails.
The swing arm also helps absorb shocks from jumps and uneven surfaces, protecting both the bike and me from excessive impact. It keeps the rear wheel aligned and ensures consistent traction, which is essential for maintaining balance and maneuverability. I’ve noticed that a sturdy swing arm makes a huge difference in how confidently I can handle sharp turns and landings.
In short, the swing arm is necessary because it provides stability, durability, and better control. Without it, my dirt biking experience wouldn’t be nearly as safe or enjoyable. It’s a small part that plays a big role in how well my bike performs out on the trails.
My Buying Guides on Dirt Bike Swing Arm
When I first decided to upgrade my dirt bike, one of the crucial components I focused on was the swing arm. It may seem like a simple part, but choosing the right swing arm can significantly affect your bike’s performance, handling, and durability. Here’s what I learned through my experience that I want to share with you.
Understanding What a Swing Arm Does
The swing arm is the part that connects the rear wheel to the bike’s frame and allows the rear suspension to absorb shocks. It plays a critical role in stability and control, especially on rough terrains. Knowing this helped me realize that not all swing arms are created equal, and picking the right one depends on how I use my bike.
Material Matters: Aluminum vs. Steel
One of the first things I considered was the material of the swing arm. Aluminum swing arms are lighter, which helps with better handling and acceleration. However, steel swing arms tend to be more durable and less expensive. Since I ride aggressively on tough trails, I opted for a reinforced aluminum swing arm that balances weight and strength.
Compatibility with My Dirt Bike Model
This was a big lesson for me: not every swing arm fits every bike. I had to check the specifications carefully to ensure the swing arm was compatible with my dirt bike’s make, model, and year. It’s essential to verify mounting points, axle size, and suspension linkage compatibility to avoid installation headaches.
Swing Arm Length and Its Impact
The length of the swing arm affects the bike’s handling characteristics. A longer swing arm generally provides better stability at high speeds but can reduce maneuverability. A shorter swing arm offers quicker handling but might feel twitchy on rough terrain. Based on my riding style, I chose a length that gave me a good balance between control and stability.
Consider Suspension and Linkage Setup
Since the swing arm works closely with the suspension, I made sure to consider how the new swing arm would interact with my bike’s shock and linkage system. Some aftermarket swing arms come with adjustable features, which can be a great benefit if you like to fine-tune your suspension setup as I do.
Weight and Durability Trade-Off
I found that lighter swing arms improve agility but sometimes at the cost of durability. If you’re racing or riding in extremely rough conditions, a heavier, more robust swing arm might be better. For casual or trail riders, a lighter swing arm can make a noticeable difference in comfort and control.
Price vs. Quality
It’s tempting to go for the cheapest option, but I learned that investing in a high-quality swing arm pays off in the long run. Cheaper models might save money upfront but could fail prematurely or cause handling issues. I recommend setting a reasonable budget and focusing on reputable brands that offer warranties.
Installation and Maintenance Tips
Once I got my new swing arm, installation was straightforward but required attention to detail. Make sure to properly torque all bolts and check alignment. Regular maintenance, such as cleaning and inspecting for cracks or wear, is essential to keep your swing arm performing well.
Final Thoughts
Buying the right dirt bike swing arm is about balancing your riding style, bike compatibility, and budget. I hope my experience helps you make an informed choice that enhances your dirt bike’s performance and longevity. Remember, the swing arm is more than just a part; it’s a key piece in your riding experience.
Author Profile
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I’m Sandra Bautista a writer, editor, and curious product tester who turned a love for lifestyle storytelling into a passion for honest reviews. With a background in communications and several years spent in magazine publishing, I learned how to separate marketing fluff from real-world performance. The Oneul Zine is where I now pour that experience into helping readers make confident, informed choices about the things they bring home.
Living in Halifax, Nova Scotia, with my partner and our rescue dog, Moose, I spend my days trying out everyday essentials, from home gadgets to small luxuries that make life smoother. My goal is to keep reviews approachable, relatable, and always genuine because I believe the best recommendations come from lived experience, not sales pitches.
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