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Item #:
86551403
Bike Crank Arms,89MM/102MM/114MM/127MM/140MM/152MM/160MM/165MM/170MM/175MM Available in Diamond Hole Bike Crank Arm for Ebike
Item #:
86551403
NAD 721
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
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Imported from USA store
QTY:
Order now and get it around Thursday, August 13
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Our diamond shaped cranks combine sturdiness and durability with sleek design, perfect for every bike enthusiast.
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What Stands Out
Versatile Compatibility
Designed to fit various bike types, including city bikes, folding bikes, and mountain bikes, ensuring a perfect fit for any cycling enthusiast.
Multiple Sizes
Available in a range of lengths from 89MM to 175MM, catering to different rider preferences and enhancing comfort and efficiency during rides.
Durable Construction
Made with high-quality materials to ensure longevity and withstand the demands of both casual and professional cycling, providing exceptional value for any cyclist.
Product Details
Who Should Buy?
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City Cyclists
Ideal for urban commuters seeking reliable crank arms for daily riding on city bikes.
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Mountain Bikers
Suitable for MTB riders needing robust and versatile crank arms for tough trails and varied terrains.
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Exercise Enthusiasts
Perfect for exercise bike users looking for durable crank arms to enhance fitness routines.
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Performance Racers
May not meet the high specifications required for competitive racing environments.
Product Description
Bike Crank Arms,89MM/102MM/114MM/127MM/140MM/152MM/160MM/165MM/170MM/175MM Available in Diamond Hole Bike Crank Arm for Ebike
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What sizes are available for Universal Bike Crank Arms?
Answer: The Universal Bike Crank Arms come in a variety of sizes, including 89MM, 102MM, 114MM, 127MM, 140MM, 152MM, 160MM, 165MM, 170MM, and 175MM. This wide range of options allows you to choose the perfect fit for your bike, ensuring optimal performance and comfort. Depending on your bike type and personal preference, selecting the right size is crucial for a smoother ride. For instance, if you are upgrading or replacing crank arms on a city bike or folding bike, matching the size precisely can significantly enhance cycling efficiency and reduce wear on other components. -
Question:
How do I determine the correct crank arm length for my bike?
Answer: To find the correct crank arm length, measure the distance from the center of the bottom bracket to the pedal spindle. Generally, shorter crank arms (e.g., 89MM or 102MM) are preferred for smaller riders or those who prioritize spinning speed over power, while longer crank arms (e.g., 170MM or 175MM) benefit taller riders or those seeking to maximize torque for off-road or uphill biking. It’s recommended to try different sizes if possible, as personal comfort can vary. Utilizing the right crank arm length is essential for preventing strain during long rides and enhancing overall cycling performance. -
Question:
What is the benefit of diamond hole design in bike crank arms?
Answer: The diamond hole design in bike crank arms not only signifies a sophisticated aesthetic but also offers improved strength-to-weight ratio. This design enhances overall durability while providing optimal stiffness during pedaling, reducing flex and ensuring power is efficiently transferred to the drivetrain. Cyclists using city or folding bikes can particularly benefit from this feature as it enhances reliability on varied terrains and makes the bike feel more responsive. In practical use, this means you can tackle inclines and varying surface conditions confidently, allowing for a smoother and more enjoyable riding experience. -
Question:
Can I install these crank arms myself?
Answer: Yes, most users can install Universal Bike Crank Arms themselves with basic tools such as a crank puller and allen keys. The installation process generally includes removing the old crank arms, aligning the new arms with the right size, and securing them tightly to ensure optimal performance. It is essential to follow the manufacturer’s instructions in the provided manual for specific guidance. This DIY approach not only saves on mechanic fees but allows you to gain a better understanding of your bike's mechanics, making adjustments and maintenance in the future easier. -
Question:
Are Universal Bike Crank Arms compatible with all bike types?
Answer: While Universal Bike Crank Arms offer versatility and compatibility with many city and folding bikes, it’s important to verify the compatibility with your specific bike model. Factors such as the bottom bracket type and spacing may affect fitting. Generally, these crank arms are designed for common standards, but checking your bike’s specifications beforehand will ensure a hassle-free installation. It allows cyclists to upgrade their components without investing in an entirely new bike, giving your existing bike a performance boost while avoiding compatibility issues. -
Question:
Where can I buy Universal Bike Crank Arms?
Answer: You can buy Universal Bike Crank Arms from Ubuy, which offers a comprehensive selection of bike components and accessories. Ubuy provides easy access to various sizes, ensuring you can find the perfect fit for your needs. Shopping with Ubuy offers added benefits, including fast shipping, reliable customer service, and a smooth return policy should you need to exchange an item. This makes it a convenient option for cyclists in Namibia looking to upgrade their bike easily and efficiently. -
Question:
What materials are used in the manufacturing of these crank arms?
Answer: Universal Bike Crank Arms are typically made from high-quality aluminum or lightweight alloys, which offer durability while maintaining a low weight. This combination of materials contributes to the overall strength of the crank arms, allowing for reliable performance during rides. The choice of materials not only impacts the bike’s weight but also its responsiveness and agility. If you're considering riding more challenging routes or participating in events, investing in these crank arms can lead to improved performance due to their sturdiness and ability to withstand stress. -
Question:
How do I maintain my Universal Bike Crank Arms?
Answer: Maintaining your Universal Bike Crank Arms involves regular cleaning and periodic checks for any wear and tear. After cycling, wipe the crank arms to remove dirt and moisture, preventing corrosion. It's important to inspect the bolts to ensure they remain tight and check for any unusual sounds or movements during pedaling, which could indicate wear in the components. Regular maintenance prolongs the lifespan of your crank arms and enhances your bike’s overall performance. For avid cyclists, incorporating crank arm maintenance into your routine can prevent costly repairs down the line. -
Question:
What are the advantages of using folding bike crank arms on a standard bike?
Answer: Using folding bike crank arms on a standard bike, like city bikes, offers several advantages, including easy installation and storage. These crank arms are designed to optimize space and performance, making them an excellent choice for cyclists with limited storage. Additionally, the compactness of folding bike crank arms lends itself to a lighter overall bike weight, improving handling and maneuverability. If you frequently commute or travel with your bike, choosing crank arms with a compact design allows for seamless integration with foldable frames, aiding in portability. -
Question:
Will longer crank arms improve my biking speed?
Answer: Longer crank arms can enhance biking speed, as they allow for a more extended pedal stroke, which can translate to increased power output. Cyclists who choose crank arms of lengths like 170MM or 175MM often benefit from improved torque, particularly during climbs or sprints. However, the efficiency varies by individual riding style and biomechanics. If you are taller or have a longer leg reach, longer crank arms could better suit your ergonomics. Conversely, shorter riders may find that shorter crank arms offer better control and cadence. Identifying the optimal size tailored to your riding style can significantly maximize speed and performance.
Alps2Ocean Cranksets Editorial Review
The replacement crank arms have received a mix of reviews from customers. Some users found the installation process easy and were pleased with the compatibility of the arms with their bikes, including stationary bikes and electric bikes. One customer mentioned that the quality of the arms was good and ultimately decided to replace both side arms due to specific issues with their previous cranks. Another user commented on how the crank arms worked well with their ebike. However, not all feedback was positive. One customer mentioned that after replacing their damaged crank arm, the new arm felt worse than the original damaged part, indicating a potential decrease in quality. Another user noticed that the arm they installed on their unicycle increased the Q factor, which might not be ideal for all users. Overall, while some customers were satisfied with the replacement crank arms for various types of bikes, others experienced issues such as differences in performance compared to the original parts and changes in bike dynamics like the Q factor. **
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Pros
- Easy installation process
- Good quality and compatibility with various types of bikes
- Works well with ebikes and stationary bikes
Cons
- Some customers reported a decrease in quality compared to original parts
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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Chitra
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
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kund
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“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
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Onesi
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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
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SAO JOHN
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“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
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- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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NAD 721
Order now and get it around Thursday, August 13
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Features & Benefits
- Made from Forged Alloy 6061 T6 for maximum durability.
- Unique Diamond Hole design ensures a strong and secure fit.
- Compatible with all 9/16 bike pedals, versatile for various bike types.
- Includes mounting lines for easy installation and error prevention.
- Comes in multiple sizes ranging from 89MM to 175MM to fit numerous bicycles.
- Packaging designed to protect components from wear and tear.
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