Bike Crank Arms & Sets for Efficient Power Transfer
Upgrade your bike’s drivetrain with durable crank arms and crank arm sets designed for efficient power transfer and smooth pedaling. Crank arms are the components that connect your pedals to the bottom bracket, converting your pedaling motion into rotational force that drives the chain and moves your bike forward.
Our collection includes a wide range of crank arm sets suitable for road bikes, mountain bikes, hybrid cycles, and single-speed setups. Available in different lengths and materials such as aluminum and steel, these components are built to handle everyday riding as well as performance cycling. Choosing the right crank arm length is important for comfort and efficiency, as it affects pedaling motion, cadence, and overall bike fit.
Crank arms are typically sold as left and right sets or as part of complete cranksets, offering flexibility for replacements or upgrades. Whether you’re repairing worn-out parts or improving your bike’s performance, selecting compatible crank arms ensures smooth operation and long-term reliability.
When choosing crank arms, consider factors like length, compatibility with your bottom bracket, and riding style. A well-matched crank arm set enhances pedaling efficiency, reduces strain, and helps deliver a more comfortable and controlled riding experience.
369 products
369 products
Sort by:
$865.00
Receives in 5 days.
$865.00
Receives in 5 days.
$865.00
Receives in 5 days.
$515.00
Receives in 5 days.
Receives in 5 days.
Receives in 5 days.
$515.00
Receives in 5 days.
$865.00
Receives in 5 days.
$310.00
Receives in 5 days.
$865.00
Receives in 5 days.
$865.00
Receives in 5 days.
$865.00
Receives in 5 days.
$95.69
Receives in 5 days.
Receives in 5 days.
$170.00
Receives in 5 days.
Receives in 5 days.
$170.00
Receives in 5 days.
Receives in 5 days.
$170.00
Receives in 5 days.
Receives in 5 days.
$154.29
Receives in 5 days.
Receives in 5 days.
Receives in 5 days.
Receives in 5 days.
$95.69
Receives in 5 days.
Receives in 5 days.
Receives in 5 days.
Receives in 5 days.
Receives in 5 days.
Frequently Asked Questions
Find answers to common questions about Bike Crank Arms & Sets for Efficient Power Transfer.
What are bicycle crank arms and crank arm sets?
Crank arms are the components that connect your bike's pedals to the bottom bracket spindle, transferring your pedaling power to the drivetrain. Crank arm sets may include both left and right crank arms and are available for road, mountain, BMX, gravel, and e-bike applications.
How do I know which crank arm length I need?
The right crank arm length depends on your height, riding style, and bike fit. Common sizes include 165mm, 170mm, 172.5mm, and 175mm. Choosing the correct length can improve pedaling efficiency, comfort, and control.
Are crank arms compatible with all bikes?
No. Compatibility depends on your bike's bottom bracket standard, spindle type, drivetrain, and intended use. Always verify compatibility before purchasing a replacement crank arm or crank arm set.
Can I replace just one crank arm instead of the entire set?
Yes, if the replacement matches your existing crankset's brand, model, length, and interface. However, replacing the complete crank arm set is often recommended when both arms show significant wear.
What materials are bicycle crank arms made from?
Crank arms are commonly made from aluminum, carbon fiber, or steel. Aluminum offers an excellent balance of strength and weight, carbon provides maximum performance with reduced weight, and steel is valued for its durability.
How often should crank arms be replaced?
Crank arms can last for many years with proper maintenance. Replace them if they become cracked, bent, stripped, or damaged from impacts, or if they no longer fit your upgraded drivetrain components.
Can I install new crank arms myself?
Many cyclists can install crank arms using the proper tools and following manufacturer instructions. If you're unsure about compatibility or installation, professional bike service is recommended to ensure safe and reliable performance.
Do crank arm sets include chainrings?
Not always. Some crank arm sets include integrated chainrings, while others include only the crank arms. Be sure to review the product description to see exactly what is included before placing your order.
Are there crank arm sets designed specifically for e-bikes?
Yes. Many manufacturers produce crank arm sets specifically designed for electric bikes to handle the additional torque generated by e-bike motors. Always choose components compatible with your e-bike drive system.
Why buy crank arms and crank arm sets from Carson City Bike Shop?
Carson City Bike Shop offers a wide selection of quality crank arms and crank arm sets from trusted cycling brands. Whether you're replacing worn components or upgrading your drivetrain, you'll find reliable parts backed by knowledgeable customer support and fast shipping.
- Choosing a selection results in a full page refresh.
- Opens in a new window.