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Item #:
93966842
Bike Crank, 170mm Aluminum Alloy Bike Crank Arm Bicycle Crankset Mountain Road Bike Crank Arm MTB Road Mountain Left Single Chain Crank
Item #:
93966842
USD 28
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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In stock
Imported from USA store
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Order now and get it around Monday, August 24
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170mm Bike Crank Arm can replace old or damaged parts directly.
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What Stands Out
Lightweight Material
Crafted from premium aluminum alloy, this bike crank is lightweight yet durable, enhancing your bike’s efficiency without compromising strength or performance during rides.
Versatile Design
Designed for both mountain and road bikes, this crank arm suits diverse cycling styles, making it a perfect upgrade for cyclists seeking versatility and reliability.
Precision Engineering
Boasting a precise 170mm length, this crank ensures optimal pedaling efficiency, addressing the needs of professional and recreational cyclists alike for a smoother riding experience.
Product Details
| Item Weight | 0.8 lbs (360 grams) |
Who Should Buy?
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Mountain Bikers
Ideal for mountain bikers seeking a lightweight yet durable crank arm for rugged terrain and demanding rides.
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Casual Cyclists
Perfect for casual cyclists looking for an affordable and reliable crankset for their everyday biking needs.
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Bike Builders
Great option for DIY bike builders needing a sturdy crank arm for custom builds or repairs.
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Professional Cyclists
May not meet the high-performance standards and specifications required by professional racers or competitive cyclists.
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Heavy Riders
Not ideal for heavier cyclists, as increased weight may lead to increased wear and tear on the crank.
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Freestyle Riders
Unsuitable for freestyle bike riding requiring specific crank designs that can handle tricks and stunts effectively.
Product Description
Bike Crank, 170mm Aluminum Alloy Bike Crank Arm Bicycle Crankset Mountain Road Bike Crank Arm MTB Road Mountain Left Single Chain Crank
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What is a bike crank and what does it do?
Answer: A bike crank is a lever that connects the pedal to the bike's chainring. It converts the pedaling motion into rotational energy, driving the bike forward. The crank’s length, in this case, 170mm, is crucial for achieving optimal pedaling efficiency and comfort, accommodating different riding styles (mountain or road biking). For example, shorter cranks can lead to better clearance, while longer ones can help more power generation. -
Question:
How do I choose the right crank length for my bike?
Answer: Selecting the appropriate crank length is essential for comfort and efficiency. A 170mm crank is a popular choice for many riders, especially those with average leg lengths. Generally, shorter riders might prefer cranks ranging from 160mm to 170mm, while taller riders may benefit from longer cranks. It's important to test various sizes to find what feels best during your rides. -
Question:
Can I use this crank arm on both mountain and road bikes?
Answer: Yes, the 170mm Aluminum Alloy Bike Crank Arm is versatile, suitable for both mountain and road bikes. Its design ensures durability and strength, making it befitting for rugged trails and smooth asphalt alike. This versatility allows riders who may switch between biking styles to invest in a singular high-performance component without the need for multiple crank sets. -
Question:
What material is the crank arm made of and why does it matter?
Answer: This crank arm is made from aluminum alloy, which is lightweight yet durable. Aluminum alloy combines the benefits of being strong enough to withstand the stresses of cycling while not adding excessive weight to the bike, thus improving efficiency. It’s particularly useful in mountain biking where strength and lightweight characteristics help in maneuverability over rough terrain. -
Question:
How important is the left crank arm on a bicycle?
Answer: The left crank arm is crucial as it works in tandem with the right crank arm to propel the bike forward. It is specifically designed to accommodate the single chain setup on this crankset, ensuring smooth, efficient power transfer while maintaining balance and stability. Ensuring compatibility and proper installation is vital for optimal performance. -
Question:
Is this crank arm suitable for competitive biking?
Answer: Yes, the 170mm Aluminum Alloy Bike Crank Arm is designed for performance, making it suitable for competitive biking. Its robust construction allows for high power transmission, necessary for racing or climbing steep inclines. Athletes and serious enthusiasts often prefer components that offer both weight savings and durability, and this crank arm fits that bill. -
Question:
What tools are needed to install the bike crank arm?
Answer: To install the bike crank arm, you will typically need a crank puller tool, a socket wrench, and possibly an Allen key. Properly tightening the crank arm is essential to avoid loosening during rides. Familiarizing yourself with your bike's specifications will help simplify the installation process and maintain overall bike efficiency. -
Question:
Can this crank arm be used to replace a broken one?
Answer: Absolutely! If your current left crank arm is damaged or wears out, the 170mm Aluminum Alloy Bike Crank Arm serves as an excellent replacement. Ensuring the specifications match with your existing setup is key, which will help maintain performance levels. Regularly checking for wear can prevent future issues and keep your bike running smoothly. -
Question:
How do I maintain my bike crank for optimal performance?
Answer: Maintaining your bike crank involves regular cleaning and lubrication, as well as checking for any signs of wear or damage. Keeping the crank arm free of dirt and debris ensures smooth operation and extends its lifespan. Periodically inspecting the crank bolts for tightness can contribute to your bike's overall performance, especially in demanding riding conditions. -
Question:
Where can I buy the 170mm Aluminum Alloy Bike Crank Arm?
Answer: You can buy the 170mm Aluminum Alloy Bike Crank Arm from Ubuy in Palau. Ubuy provides a reliable platform for purchasing high-quality bike parts and accessories, ensuring you find the right fit for your cycling needs. With a user-friendly shopping experience, Ubuy is a great option for quick access to your bicycle essentials.
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“The product received very good packaging & safe…Thank You”
16 June 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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USD 28
Order now and get it around Monday, August 24
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
- Original 170mm design for easy replacement of old parts.
- Made from durable aluminum alloy for high hardness and rust resistance.
- Lightweight at just 150g, making it ideal for various bikes.
- Available in stylish silver and black color options.
- Compatible with square hole designs for easy installation.
- Essential tool for outdoor sports enthusiasts and bike repairs.
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