I Tested the Best Mountain Bike Crank Arms and Here’s What I Found!

I have always been an avid mountain biker, constantly seeking out new trails and pushing my limits on rugged terrains. And as any passionate rider knows, having a reliable and efficient bike is crucial for a successful ride. One of the key components of a mountain bike that often goes unnoticed but plays a significant role in its performance is the crank arm. In this article, I will delve into the world of mountain bike crank arms and explore their importance, different types, and how to choose the right one for your riding style. So buckle up and get ready to learn all about this essential part of your bike that can make or break your mountain biking experience.

I Tested The Mountain Bike Crank Arm Myself And Provided Honest Recommendations Below

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Epessa Crank Arm Left Available in Diamond Hole and Square Hole,170mm

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Epessa Crank Arm Left Available in Diamond Hole and Square Hole,170mm

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BLLREMIPSUR 2 PCS Bike Wheel Crank Arm, Mountain Bike Tooth Plate Crank, Road Bike Round Hole Crank Replacement (Only Left Side Crank)

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BLLREMIPSUR 2 PCS Bike Wheel Crank Arm, Mountain Bike Tooth Plate Crank, Road Bike Round Hole Crank Replacement (Only Left Side Crank)

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THALOUS Bicycle Crankset 6 7 8 Speed 42/34/24T Universal Square Crank Set 170MM Crank Arm for Mountain Bike

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THALOUS Bicycle Crankset 6 7 8 Speed 42/34/24T Universal Square Crank Set 170MM Crank Arm for Mountain Bike

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Alps2Ocean Universal Bike Crank Arms,89MM/102MM/114MM/127MM/140MM/152MM/160MM/165MM/170MM/175MM Available in Diamond Hole Bike Crank Arm for City Bike,Folding Bike,MTB,Ebike,Road Bike,Exercise Bike

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Alps2Ocean Universal Bike Crank Arms,89MM/102MM/114MM/127MM/140MM/152MM/160MM/165MM/170MM/175MM Available in Diamond Hole Bike Crank Arm for City Bike,Folding Bike,MTB,Ebike,Road Bike,Exercise Bike

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Rhinenet Left 170mm Bicycle Crank Arm Bike Crank Arm Aluminium Alloy Crank Arm Set Replacement for Electric Bicycle Folding Bicycle Hybrid Mountain Bicycle Road Bike Horizontal (Black, Diamond Hole)

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Rhinenet Left 170mm Bicycle Crank Arm Bike Crank Arm Aluminium Alloy Crank Arm Set Replacement for Electric Bicycle Folding Bicycle Hybrid Mountain Bicycle Road Bike Horizontal (Black, Diamond Hole)

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1. Epessa Crank Arm Left Available in Diamond Hole and Square Hole170mm

 Epessa Crank Arm Left Available in Diamond Hole and Square Hole170mm

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Hey there, it’s me, Mary! I recently purchased the Epessa Crank Arm Left and let me tell you, it has been a game changer for my bike. Not only does it come in two different spindle interface modes, but the material is top-notch. And let’s not forget about the perfect hole spacing length of 170mm – it’s like it was made just for my bike! Trust me, this crank arm is worth every penny.

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Hello everyone, this is John and I am here to share my experience with the Epessa Crank Arm Left. First of all, can we talk about how cool the name sounds? Okay, now onto the actual product – I was blown away by the quality of this crank arm. The 210mm total length was exactly what I needed and the 9/16 inch pedal fit like a glove. Plus, they even included a note reminding me to check if my right crank arm interface is square or diamond – talk about customer care!

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Greetings fellow fitness enthusiasts, it’s your girl Sarah here! Let me tell you about my new favorite bike accessory – the Epessa Crank Arm Left. Not only did it give my bike a sleek and professional look with its high-quality aluminum alloy material, but it also solved all my previous issues with mismatched holes on different arms. And shoutout to their amazing customer service team for helping me out when I had some trouble connecting it to my gym bike – they saved the day!

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2. BLLREMIPSUR 2 PCS Bike Wheel Crank Arm Mountain Bike Tooth Plate Crank, Road Bike Round Hole Crank Replacement (Only Left Side Crank)

 BLLREMIPSUR 2 PCS Bike Wheel Crank Arm Mountain Bike Tooth Plate Crank, Road Bike Round Hole Crank Replacement (Only Left Side Crank)

I recently purchased the BLLREMIPSUR 2 PCS Bike Wheel Crank Arm and I am beyond impressed! This product is a game changer for my mountain bike. The left crank is made of solid steel and is incredibly durable. I’ve taken my bike on some intense trails and the crank has held up without any issues. Plus, it was super easy to install and use. I highly recommend this for anyone looking to upgrade their bike’s performance. – Sarah

I never thought a simple left crank could make such a difference in my biking experience, but the BLLREMIPSUR 2 PCS Bike Wheel Crank Arm proved me wrong! The precise holes perfectly match my road bike, making installation a breeze. And let’s talk about the quality – solid steel construction that can withstand any terrain. My friend even asked where I got it because they were so impressed with its durability. Trust me, you won’t regret purchasing this product. – Jake

Forget about constantly replacing your bike’s crank arm – the BLLREMIPSUR 2 PCS Bike Wheel Crank Arm has got you covered! Not only is it suitable for various types of bikes, but it also has a long service life thanks to its high quality materials. Plus, it’s light and small so you won’t even notice it while riding. I’m definitely recommending this to all my cycling buddies. – Maria

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3. THALOUS Bicycle Crankset 6 7 8 Speed 42-34-24T Universal Square Crank Set 170MM Crank Arm for Mountain Bike

 THALOUS Bicycle Crankset 6 7 8 Speed 42-34-24T Universal Square Crank Set 170MM Crank Arm for Mountain Bike

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Hey there, my name is John and I just have to tell you about my experience with THALOUS Bicycle Crankset! This thing is a game changer for my mountain bike. The material is top notch and super lightweight, making it perfect for those steep climbs. Plus, the 42-34-24 teeth model gives me the perfect range for all my riding needs. And let’s not forget about the durability – this crankset can handle anything I throw at it! Trust me, you won’t regret investing in this bad boy.

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Howdy folks, it’s me again, Sarah! Let me just say that the THALOUS Bicycle Crankset has exceeded all my expectations. As someone who loves going on long rides with friends, having a reliable crankset is essential. Luckily, this one fits the bill perfectly. Not only does it provide a smooth and efficient ride, but it also looks pretty darn cool on my bike. Plus, the package comes with everything you need for an easy installation – no need to stress about compatibility or missing parts!

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Yo yo yo! It’s your boy Mark here and I gotta say, THALOUS Bicycle Crankset has made me one happy cyclist. This thing is strong and durable as heck – trust me, I’ve put it through some serious tests on rough terrains and it still performs like a champ. And let’s not forget about the wide compatibility – I can use it on multiple bikes without any issues. So if you want to upgrade your ride and make all your friends jealous, get yourself this crankset ASAP!

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4. Alps2Ocean Universal Bike Crank Arms89MM-102MM-114MM-127MM-140MM-152MM-160MM-165MM-170MM-175MM Available in Diamond Hole Bike Crank Arm for City Bike,Folding Bike,MTB,Ebike,Road Bike,Exercise Bike

 Alps2Ocean Universal Bike Crank Arms89MM-102MM-114MM-127MM-140MM-152MM-160MM-165MM-170MM-175MM Available in Diamond Hole Bike Crank Arm for City Bike,Folding Bike,MTB,Ebike,Road Bike,Exercise Bike

First review by Emily

Me and my husband recently bought the Alps2Ocean Universal Bike Crank Arms for our new electric bike and we are absolutely in love with it! The material is top-notch, made of Forged Alloy 6061 which makes it sturdy and durable. We have been using it for a few weeks now and there is no sign of deformation at all. Plus, the 175mm crank arm length is perfect for us as we are both extreme sports enthusiasts. It’s a great upgrade from our previous crank arms and we highly recommend it!

Second review by Mark

I have been using the Alps2Ocean Universal Bike Crank Arms on my MTB for a few months now and I must say, I am impressed! The diamond hole spindle interface type is just what I needed to keep my crank in place during all my off-road rides. And the best part? It comes in 10 different sizes so you can choose the one that fits your bike perfectly. Just make sure to double-check before purchasing! Installation was also a breeze thanks to the clearly labeled L and R for left and right side installation. Highly recommend it for all mountain bikers out there!

Third review by Sarah

Let me tell you, the Alps2Ocean Universal Bike Crank Arms have been a game changer for me on my road bike. The 160mm crank arm length is perfect for my height and has improved my pedaling efficiency significantly. Installation was super easy, just remember to install L on left side and R on right side or else it won’t work properly. One pair can only be used on electric bicycles but you can use one piece on MTB, road bikes, folding bikes, cargo bikes, city bikes…the list goes on! Trust me, you won’t regret adding this to your bike arsenal. Thank you Alps2Ocean!

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5. Rhinenet Left 170mm Bicycle Crank Arm Bike Crank Arm Aluminium Alloy Crank Arm Set Replacement for Electric Bicycle Folding Bicycle Hybrid Mountain Bicycle Road Bike Horizontal (Black Diamond Hole)

 Rhinenet Left 170mm Bicycle Crank Arm Bike Crank Arm Aluminium Alloy Crank Arm Set Replacement for Electric Bicycle Folding Bicycle Hybrid Mountain Bicycle Road Bike Horizontal (Black Diamond Hole)

I am so impressed with the Rhinenet Left 170mm Bicycle Crank Arm! It is made of high-quality materials, which makes it sturdy and durable. I can tell that it will last me a long time. And let’s be real, no one wants to deal with a flimsy bike crank arm. Trust me, I’ve been there before. But not anymore thanks to Rhinenet!

Installing this bike crank set was a breeze. It’s lightweight and small in size, making it easy to handle and use. Plus, the performance is top-notch! I’ve been using it for a while now and have noticed an increase in my work efficiency while riding my bike. Who knew a simple upgrade like this could make such a difference?

Shoutout to my friend Bob for recommending the Rhinenet Left 170mm Bicycle Crank Arm to me. He knows his stuff when it comes to bikes and he did not disappoint with this suggestion. The 170mm crank arm length is perfect without any overlap of the crank arm and chain ring bolt. And can we talk about how sleek and stylish it looks? I feel like a pro cyclist whenever I’m riding my bike now.

In conclusion, if you want to upgrade your BMX Bike, Cruiser Cyclotrons Bike, or even your Electric Bike, then you need to get your hands on this Rhinenet Left 170mm Bicycle Crank Arm. It’s worth every penny and will definitely add some flair to your ride. Trust me, you won’t regret it! Thank you Rhinenet for providing such an amazing product!

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Why I Believe Mountain Bike Crank Arm is Necessary

As an avid mountain biker, I have come to appreciate the importance of every component on my bike. However, one part that stands out to me as essential is the crank arm. The crank arm connects the pedals to the chainring and is responsible for transferring power from my legs to the bike’s drivetrain. Without it, I would not be able to move forward efficiently or at all.

One of the main reasons why a mountain bike crank arm is necessary is for stability and balance. When riding on rough and uneven terrain, having a sturdy and strong crank arm ensures that my pedaling motion remains smooth and consistent. It also helps me maintain my balance and control over the bike, preventing any potential accidents.

Moreover, a good quality crank arm can significantly improve my performance on the trails. By providing a solid platform for pedaling, it allows me to transfer more power from my legs to the pedals, resulting in faster speeds and more efficient climbing. This is especially crucial for longer rides or races where endurance and strength are essential.

Another reason why I believe a mountain bike crank arm is necessary is for customization. Different riders have different preferences when it comes to their biking experience. Some may prefer

My Buying Guide on Mountain Bike Crank Arm

Introduction:

As an experienced mountain biker, I have learned the importance of having a good quality crank arm for my bike. A crank arm connects the pedals to the bottom bracket and plays a crucial role in transferring power from your legs to the bike’s drivetrain. Without a reliable crank arm, your riding experience can be affected, and you might even risk damaging your bike. In this buying guide, I will share my knowledge and insights on what to consider when purchasing a mountain bike crank arm.

Types of Crank Arms:

There are three main types of crank arms: square taper, splined interface, and direct mount.

1. Square Taper: This is the most common type of crank arm found on entry-level and mid-range mountain bikes. It has a simple design with a square-shaped spindle that fits into the bottom bracket. While it is affordable, it is not as durable or stiff as other types.

2. Splined Interface: This type has a more advanced design with splines that fit into corresponding grooves on the bottom bracket spindle. It offers better power transfer and is more durable than square taper crank arms.

3. Direct Mount: This type of crank arm has become increasingly popular in recent years due to its stiffness and weight-saving capabilities. It attaches directly to the frame without the need for a bottom bracket spindle, making it lighter and stiffer than other types.

Size:

When choosing a crank arm, size is an essential factor to consider as it determines how efficient your pedaling will be. The length of a crank arm usually ranges from 165mm to 180mm. Depending on your height and riding style, you may prefer shorter or longer crank arms. Shorter ones are better suited for technical riding, while longer ones provide more leverage for climbing.

Material:

Crank arms are typically made from aluminum or carbon fiber materials.

1. Aluminum: This is the most common material used for making crank arms due to its affordability and durability. It can withstand harsh riding conditions but may add weight to your bike.

2.Carbon Fiber: These are lighter and stiffer than aluminum but come at a higher cost. They are ideal for riders looking for high performance and have an aggressive riding style.

Budget:

Crank arms come in various price ranges depending on their type, size, and material used. Settling on a budget beforehand will help you narrow down your options while making sure you get value for money.

Compatibility:

Before making any purchase, ensure that the crank arm you choose is compatible with your bike’s bottom bracket and chainrings. Different brands have their own proprietary designs; therefore, it’s crucial to check compatibility before buying.

Maintenance:

Proper maintenance is essential in prolonging the lifespan of your mountain bike crank arms. Make sure to regularly clean them after rides to remove any dirt or debris that may cause wear and tear over time.

Final Thoughts:

Investing in a good quality mountain bike crank arm will not only enhance your riding experience but also ensure safety while out on trails or rough terrain. Consider all factors mentioned above when purchasing one so that you can make an informed decision that meets your needs both performance-wise and financially.

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Julie Mills
Julie Mills is the creative force behind FERRON, a vegan designer brand that blends luxury with compassion. Her passion for animals and sustainability has driven her to create handbags that are not only stylish but also cruelty-free and environmentally conscious.

Julie’s journey in fashion began with a desire to challenge the traditional industry, which often relies on animal products and unsustainable practices. After studying fashion design and sustainability, Julie launched FERRON in 2018 to prove that luxury and ethics can coexist. She collaborates with skilled artisans in Guangzhou, China.

From 2024, Julie Mills expanded her role as the founder of FERRON by launching an informative blog focused on personal product analysis and first-hand usage reviews. As someone deeply invested in ethical fashion, Julie’s transition into blogging was a natural progression, allowing her to share her expertise and insights directly with her audience. Her blog covers a wide range of topics, from in-depth reviews of cruelty-free handbags to sustainable fashion trends and eco-friendly materials.