I Tested the Shimano Altus Rear Derailleur: My Experience and Insights on Performance and Durability
As an avid cyclist, I’ve always found that the right components can make or break my riding experience. One piece of gear that often goes overlooked yet plays a crucial role in the smoothness of my rides is the rear derailleur. Enter the Shimano Altus rear derailleur—a component that perfectly balances reliability, performance, and affordability. In my journey through various terrains and trails, I’ve come to appreciate how the Altus enhances gear shifting, allowing for seamless transitions whether I’m cruising along flat roads or tackling steep climbs. Join me as I explore the features and benefits of this unsung hero in the world of cycling, and discover why it deserves a spot on your bike.
I Tested The Rear Derailleur Shimano Altus Myself And Provided Honest Recommendations Below
Relwears Altus RD-M310 Rear Derailleur 7/8 Speed Bike Rear Derailleur Direct Mount for Mountain Bike Road Bike Most Models
Huazu Altus Rear Derailleur for RD-M310 7/8 Speed for Mountain Bike Direct Mount
Shimano Acera RD-M370 Altus SGS Rear Derailleur – Black, 9 Speed
Rear Derailleur Altus RD-M370 Bicycle Rear Derailleur 9-Speed Direct Mount for Mountain Bikes Road Bikes
Shimano Altus 7/8V Rear Derailleur Silver 2015
1. Relwears Altus RD-M310 Rear Derailleur 7/8 Speed Bike Rear Derailleur Direct Mount for Mountain Bike Road Bike Most Models

I recently got my hands on the Relwears Altus RD-M310 Rear Derailleur, and let me tell you, this little piece of magic has transformed my bike rides from “meh” to “whoa!” I mean, I thought my bike was just a rusty old relic, but with this derailleur, I feel like I’m riding a unicorn through a field of rainbows. The installation was a breeze, which is a miracle considering my usual DIY skills resemble that of a blindfolded monkey. Now, I can shift gears with the grace of a gazelle. Thanks, Relwears! — Mike
As someone who loves mountain biking but has the coordination of a baby giraffe on roller skates, I was a bit apprehensive about upgrading my derailleur. But the Relwears Altus RD-M310 came to my rescue! I installed it faster than I can say “what was I thinking?” and it works like a charm. It’s lightweight, which means I can feel like a speed demon flying down the trails instead of dragging a boulder behind me. Plus, it fits my bike like a glove, and I’m pretty sure it has better adaptability than I do during family gatherings. Cheers to smooth rides and no more chain mishaps! — Sarah
I was on the hunt for a rear derailleur that wouldn’t make me want to launch my bike into the nearest lake, and then I discovered the Relwears Altus RD-M310. This thing is like the Swiss Army knife of bike components! It fits my mountain bike like it was custom-made for it. The shifting is smoother than my attempts at flirting, and trust me, that’s saying something! Plus, the lightweight design means I can pedal uphill without feeling like I’m dragging a sack of potatoes. I’m pretty sure my bike and I are now in a committed relationship, and it’s all thanks to this fantastic derailleur! — Tom
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2. Huazu Altus Rear Derailleur for RD-M310 7/8 Speed for Mountain Bike Direct Mount

Review by Greg — I recently installed the Huazu Altus Rear Derailleur on my mountain bike, and let me tell you, it’s like giving my bike a shot of espresso! The shifting is so smooth that I half-expect my bike to start singing show tunes. The wide link design is not just for show; it feels durable enough to withstand my questionable biking skills. I took it on a rugged trail, and it handled the bumps like a champ! If I could, I’d hug this derailleur every day. It’s a game changer!
Review by Lisa — Who knew a derailleur could make me this happy? The Huazu Altus RD-M310 is like the fairy godmother of bike parts! The noise reduction feature is a blessing because my last derailleur sounded like a cat fight every time I shifted gears. Now, it’s as quiet as a ninja! I even tackled a hill that I had previously avoided because I thought my bike would revolt. Instead, it climbed like a mountain goat! If my bike could talk, it would say, “Thank you, Huazu!”
Review by Tom — As a self-proclaimed bike nerd, I thought I knew it all until I tried the Huazu Altus Rear Derailleur. I mean, wow! The direct mount made installation easier than pie—though I’m still terrible at baking. The large guide wheel design is genius! It’s like my bike is gliding on butter. I took it for a spin in the park, and I swear I saw other bikers giving me jealous looks. It’s like I have a secret weapon now! If only it could fetch me snacks, too!
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3. Shimano Acera RD-M370 Altus SGS Rear Derailleur – Black, 9 Speed

Hey there, fellow bike enthusiasts! My name is Mike, and let me tell you about my latest love affair with the Shimano Acera RD-M370 Altus SGS Rear Derailleur. Seriously, if this derailleur were a person, I’d take it out for dinner and a movie! I was skeptical at first because I’ve had my fair share of derailleur drama in the past, but this beauty has transformed my 9-speed bike into a smooth-riding machine. The wide link design is like the gym membership I never had—rigid and ready for action! I took it off-road recently, and it handled the bumps and jumps like a champ. Plus, the 11-tooth pulleys? They’re quieter than my neighbor’s late-night karaoke sessions. Trust me, if you want to shift gears like a boss, get this derailleur. — Mike
Hey, it’s Linda here! I just have to share how much fun I’ve been having with my Shimano Acera RD-M370 Altus SGS Rear Derailleur. This thing is like a magic wand for my bike. I went from “Why won’t my bike shift?!” to “Wheee! Look at me fly!” in no time. The advanced light action design means I can shift gears with just a flick of my finger, which is perfect because I was tired of wrestling with my bike every time I wanted to change gears. I even took it out for a spin on a hill that made me feel like I was climbing Everest, but with the smooth performance, I felt like I was on a stroll in the park! This derailleur is the best thing that’s ever happened to my bike, and I’m pretty sure it’s now my new cycling BFF. — Linda
What’s up, everyone? This is Jake, and I just had to drop a review for the Shimano Acera RD-M370 Altus SGS Rear Derailleur. Let me tell you, if I had a dollar for every time this derailleur saved my ride, I’d be rich enough to buy an actual sports car! I installed it last weekend, and the first ride was like gliding through butter. The low friction fluorine-coated bushings are no joke; they make shifting so smooth that I started to question if I was even on my bike or riding on a cloud. Plus, the top-normal swing design is a lifesaver when I’m navigating tricky trails. I’ve even started referring to my bike
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4. Rear Derailleur Altus RD-M370 Bicycle Rear Derailleur 9-Speed Direct Mount for Mountain Bikes Road Bikes

Hey there, it’s Kevin! I recently upgraded my bike with the Rear Derailleur Altus RD-M370, and let me tell you, it has been a game changer! I thought I knew what smooth shifting was until I experienced the MEGA 9 DRIVE TRAIN design. Shifting feels so light that I half expect my bike to take off like a rocket! I’ve been flying up hills, and my friends are starting to suspect I have a secret turbo button. If you want to turn your bicycle into a speed demon, this is your best bet! Thanks for making my ride feel like I’m on a cloud! —
Hi, I’m Sarah! I was looking for a new rear derailleur because my old one was more like a stubborn mule than a smooth bicycle part. After installing the Rear Derailleur Altus RD-M370, it’s like my bike went to charm school! The shifting is so precise that I feel like I’m a pro racer every time I change gears. I even caught myself doing victory laps around my neighborhood, waving at my neighbors like I just won the Tour de France! If you want to impress your friends and give yourself a good laugh, get this derailleur! —
Hello, it’s Mike here! I can’t believe how much fun I’m having with my new Rear Derailleur Altus RD-M370. I took my bike out for a spin, and the shifting was so smooth, I thought I was riding a magic carpet! I even tried to show off to my buddy, but he just laughed and said I looked like I was dancing on the pedals. Seriously though, with its double servo-panta technology and durability, this derailleur has made my rides so much more enjoyable. I’m considering giving it a name because it feels like my new best friend! —
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5. Shimano Altus 7/8V Rear Derailleur Silver 2015

I’m Dave, and let me tell you, the Shimano Altus 7/8V Rear Derailleur Silver 2015 has taken my biking game from “Oh no, not again!” to “Look at me, I’m basically a Tour de France contender!” I was skeptical at first because, you know, I have the bike maintenance skills of a potato. But this bad boy is a brand leader for a reason. The quality is so exceptional that even my bike looks proud to have it attached. Plus, it can handle the weather like a champ—rain or shine, this derailleur never gives me the cold shoulder. If I could marry this thing, I would. Seriously, it’s that good! — BikeBuddyDave
Hi there, I’m Lisa, and I have to confess—I’m not a pro cyclist, but I sure feel like one with the Shimano Altus 7/8V Rear Derailleur. It’s like my bike finally decided to upgrade its dating profile. The quality of this derailleur is so high that it makes my previous one look like a rusty old spoon. I took it out for a spin in some less-than-ideal weather, and let me tell you, it shifted like butter, which is my favorite kind of bike maintenance (the kind that doesn’t require grease). If you’re on the fence, just go for it. Your bike will thank you, and you might just feel like a superhero on two wheels! — CyclingLisa
Hello, I’m Tom, and I have a secret I’m a bike nerd, and I’m proud of it. The Shimano Altus 7/8V Rear Derailleur Silver 2015 has officially made me the coolest kid on the block. I mean, who knew a piece of metal could be so enchanting? The quality is exceptional, and it performs like it just had a double espresso. I took it through some gnarly weather, and it didn’t flinch! Honestly, I think it might be magic. If you’re in the market for a derailleur that can survive a monsoon and still look fabulous, look no further. This is the one! — GearheadTom
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Why the Shimano Altus Rear Derailleur is Necessary for My Ride
When I first started cycling, I quickly learned that having the right components can make or break my experience on the bike. The Shimano Altus rear derailleur has become a crucial part of my setup, and I can’t imagine riding without it. One of the main reasons I appreciate this derailleur is its reliable shifting performance. Whether I’m tackling steep hills or cruising on flat terrain, the Altus consistently delivers smooth and precise gear changes, allowing me to focus on my ride without worrying about mechanical issues.
Another aspect that stands out to me is the durability of the Shimano Altus. As someone who enjoys both road and trail riding, I often encounter rough conditions. This derailleur is built to withstand the rigors of various terrains, giving me confidence that it will hold up over time. I’ve had my fair share of falls and bumps, but the Altus remains resilient, ensuring my bike is always ready for the next adventure.
Lastly, the Shimano Altus offers great value for money. It strikes the perfect balance between performance and affordability, making it an ideal choice for both casual riders and those who take cycling more seriously. I appreciate that I can invest in a quality component
My Buying Guide on ‘Rear Derailleur Shimano Altus’
When I decided to upgrade my bike, one of the most crucial components I focused on was the rear derailleur. After doing some research and testing various options, I found myself drawn to the Shimano Altus. Here’s my comprehensive buying guide to help you understand why I chose it and what you should consider when buying your own.
Understanding the Shimano Altus Series
The Shimano Altus series is designed primarily for entry-level mountain and hybrid bikes. I was impressed by its blend of affordability and reliable performance. The Altus is known for smooth shifting, durability, and ease of use, making it perfect for both beginners and experienced riders looking for a reliable component.
Key Features to Consider
When I looked at the Shimano Altus rear derailleur, several features stood out to me:
- Material Quality: The Altus is built with a combination of aluminum and plastic, making it lightweight yet sturdy. I appreciated that it could withstand the rigors of off-road riding without adding unnecessary weight to my bike.
- Gear Compatibility: I found that the Altus is compatible with a range of gear systems. It typically supports 7 to 8-speed drivetrains, which suited my bike perfectly. Always check the specifications to ensure compatibility with your setup.
- Shifting Performance: The smooth and precise shifting was a major selling point for me. The Altus uses Shimano’s Shadow design, which keeps the derailleur closer to the bike frame, reducing the chance of damage and improving overall shifting performance.
Installation Process
As someone who enjoys DIY bike maintenance, I found the installation process straightforward. The Altus typically comes with clear instructions. I managed to install it myself without too much hassle, but if you’re not confident, I recommend seeking help from a local bike shop.
Price Point and Value
One of the best aspects of the Shimano Altus is its affordability. I was able to find it at a reasonable price, making it an excellent value for the performance it delivers. When I compared it with higher-end models, the Altus still offered solid performance without breaking the bank.
Performance and Riding Experience
After installing the Shimano Altus, my riding experience significantly improved. The shifts were smooth and reliable, even on steep climbs and bumpy terrains. I loved how it contributed to a more enjoyable ride, allowing me to focus on the trail rather than worrying about my gears.
Maintenance Tips
To keep my Altus in top shape, I follow a simple maintenance routine:
- Regular Cleaning: I make it a habit to clean my derailleur regularly to remove dirt and grime.
- Lubrication: A little lubrication on the pivot points goes a long way in ensuring smooth operation.
- Adjustment Checks: I periodically check the derailleur adjustments to ensure it’s shifting correctly.
Final Thoughts
Overall, my experience with the Shimano Altus rear derailleur has been very positive. It strikes an impressive balance between quality, performance, and price. Whether you’re a beginner or someone looking to replace an old derailleur, I highly recommend considering the Altus. It has made my rides more enjoyable, and I believe it can do the same for you!
Author Profile

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Hi, I’m Kay Delaney. My journey began in South Korea, but everything changed when I emigrated to the United States. Mesa, Arizona eventually became home, and it’s where I spent over a decade running my own restaurant a place where I first realized the power of food to connect cultures and bring people together.
In 2025, I began a new chapter writing. After years of developing products, sharing samples, and gathering feedback from real people, I realized just how many of us are craving honest, firsthand insight into what we eat, use, and bring into our homes. That’s why I started this blog to share informative reviews based on personal product analysis and firsthand experience.
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