Best Bike Cranksets for Mountain Bikes of 2026

The All Mountain Style Crank Boots offer excellent protection for your bike's crank arms, shielding them from tough impacts when riding on rough trails. These guards help you ride longer by extending the life of your crankset, keeping your bike in great shape. Made from strong TPU material, they resist wear and tear even in extreme cycling conditions, so you don't have to worry about damage. Plus, you can customize your bike’s look by choosing from several colors, letting you add a personal touch without sacrificing protection. These crank boots are a smart choice for serious riders who want durability and style.

This bike crankset features a triple chainring, plastic chainguard, and bottom bracket interface type of Square Taper JIS. The triple chainring allows you to easily switch between gears, while the plastic chainguard protects your chain from debris. The bottom bracket interface type of Square Taper JIS provides a secure fit and efficient power transfer. Perfect for mountain biking enthusiasts.

The KIEVODE 8mm Crank Bolts are designed to fit a wide variety of bikes, including those with square tapered and standard bottom brackets, giving you great flexibility. Their precise M8 thread size and 18mm length ensure a perfect fit, making installation straightforward. These bolts come with built-in plastic dust caps, which protect them from water, dirt, and sand, helping your bike last longer and reducing maintenance. Installing them is easy—you just need an 8mm Allen wrench to secure them properly. Overall, these bolts offer a reliable and hassle-free solution for your bike’s crank arm attachment.

The Relwears Bike Crankset FC-TY301 is designed for versatility and performance. With a gear combination of 24-34-42T and a crank arm length of 170mm, it easily fits 3x6, 3x7, and 3x8 speed drivetrains. The aluminum alloy construction makes it lightweight yet sturdy, improving the overall strength and balance during rides. You will appreciate the smooth and reliable shifting, thanks to the precision indexing. Assembly is quick and straightforward, allowing you to get back on your bike without hassle.

The BUCKLOS Mountain Bike Crankset is designed with a 170mm crank arm length and a 104 BCD, making it compatible with a wide range of mountain bikes. Its lightweight aluminum alloy construction provides strength without adding extra weight, so you can enjoy smoother rides. The narrow-wide tooth chainring helps keep your chain securely in place, reducing the chance of slipping during rough rides. Additionally, the bottom bracket fits standard bike frames between 68-73mm and works well with popular brands like Shimano and FSA, making installation easy and convenient for most riders.

The Rhinenet Left Crank Arm is crafted from high-quality materials, ensuring durability and strength for your biking needs. Its lightweight design makes installation a breeze, allowing you to quickly replace your crank arm without hassle. With a 170mm length, it fits perfectly without interfering with the chain ring bolt, enhancing your bike's efficiency. This crank arm set is versatile, suitable for a range of bicycles, from BMX to electric and mountain bikes, making it an excellent choice for any cyclist looking to upgrade their ride.

The SHIMANO TOURNEY Crankset offers smooth and reliable gear changes thanks to its advanced DUAL SIS technology, making your rides more enjoyable whether you're tackling hills or cruising trails. Its sturdy black steel construction and riveted chainrings ensure durability, so you can trust it to withstand tough off-road conditions. With a 170mm crank length and a 185.5mm Q-factor, it provides comfortable pedaling and efficient power transfer, helping you ride longer with less fatigue. Plus, its compatibility with common mountain bike hubs and bottom brackets makes installation and upgrades hassle-free, so you can easily fit it to your bike and get back on the trail.

The BUCKLOS MTB Crankset offers a durable and lightweight design, perfect for mountain biking enthusiasts. It features a narrow-wide chainring with options ranging from 30T to 38T, which helps keep your chain in place and reduces slipping during rides. The 170mm crank arms provide a comfortable and efficient pedaling motion, fitting a wide range of bike setups. Made from aluminum alloy, this crankset is both strong and light, making it easier for you to handle tough trails. Additionally, the included bottom bracket fits most standard mountain bike frames and is compatible with popular brands like Shimano and FSA, giving you easy installation and reliable performance.

The WEEROCK Mountain Bike Crankset is designed for versatility, accommodating single-speed bicycles as well as 6 to 11-speed mountain bikes. Its drop-stop design features a narrow-wide tooth pattern that effectively prevents chain drops, enhancing your riding safety. Made from sturdy aluminum alloy, this crankset is lightweight and resistant to rust, ensuring durability on your rides. Additionally, the 104 BCD chainring allows for easy disc replacements, giving you the flexibility to customize your bike as needed. This crankset is an excellent choice for cyclists looking for reliability and performance.

BNVB Bike Crank Arm Set is made of high strength Aluminum Alloy, which is non-slip and durable. It has an ergonomic structure, super lightweight and incredibly strong, making it the best choice for riders who want more control on their bicycles. With easy installation, it is compatible with most mountain bikes and dirt bicycles, including Shimano, FSA, Gaint ATX770 ATX770-D XTC 750. The package includes one forged crank set, bottom bracket, and other necessary accessories.