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- BOLANY 170mm Bike Crankset Double Speed Round...
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Item #:
71740635
BOLANY 170mm Bike Crankset Double Speed Round 39/53T Chainring 130BCD Hollow Integrated 9S/10S with Bottom Bracket Fit for Road Bike Cranksets
Item #:
71740635
XCD 212
Price Details
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Imported from USA store
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Order now and get it around Sunday, August 30
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Precision made MTB/Road Bike Crankset with high strength removable chainring for easy modification and smooth gear changes.
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What Stands Out
Lightweight Design
The BOLANY crankset features a hollow integrated design, ensuring it remains lightweight while providing robust performance for road cyclists seeking speed and efficiency.
Versatile Compatibility
Designed to fit both 9-speed and 10-speed systems, this crankset offers exceptional versatility, catering to a wide range of road bikes and rider preferences.
Smooth Gear Transition
Equipped with 39/53T chainrings, this crankset enables seamless gear shifting, enhancing overall riding experience and making climbs and sprints more efficient for competitive cyclists.
Product Details
| Package Weight | 10.84 Pound |
Who Should Buy?
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Road Cyclists
Ideal for road cyclists seeking enhanced pedaling efficiency and improved performance on flat terrain.
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Competitive Riders
Designed for competitive cyclists needing a lightweight and high-performance crankset for racing conditions.
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Upgrade Enthusiasts
Perfect for riders looking to upgrade their existing bike components to enhance overall cycling experience.
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Casual Riders
Not suitable for casual cyclists who prefer a more relaxed riding style with less emphasis on performance.
Product Description
BOLANY 170mm Bike Crankset Double Speed Round 39/53T Chainring 130BCD Hollow Integrated 9S/10S with Bottom Bracket Fit for Road Bike Cranksets
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Customer Questions & Answers
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Question:
What is the length of the BOLANY Bike Crankset?
Answer: The BOLANY Bike Crankset comes with a length of 170mm, which is ideal for most riders looking for optimal power transfer and cycling efficiency. This crankset length provides enhanced leverage, making it suitable for various cycling styles, especially road biking. Riders of different heights can benefit from this standard length, as it helps in maintaining a comfortable pedaling position when fitted correctly with the bike's geometry. -
Question:
What is the chainring configuration of the BOLANY Crankset?
Answer: The BOLANY crankset features a double-speed round chainring configuration with a 3953T setup. This means it has two distinct gears that provide versatility while cycling. This configuration is excellent for riders who traverse various terrains, as the dual options allow for smoother transitions between climbing and fast flat riding. It is particularly useful in road cycling, offering the right gear choices for both endurance and speed. -
Question:
Is the BOLANY Crankset suitable for 9-speed and 10-speed systems?
Answer: Yes, the BOLANY crankset is designed to be compatible with both 9-speed and 10-speed drivetrain systems, making it versatile for a range of road bikes. This compatibility means that you can upgrade your bike without worrying about replacing your entire drivetrain setup, ensuring seamless performance. Whether you are a casual rider or a competitive cyclist, this flexibility allows for easier adjustments as your cycling needs evolve. -
Question:
What is 130BCD and why is it important?
Answer: 130BCD, which stands for Bolt Circle Diameter, refers to the diameter of the circle formed by the centers of the crankset's bolts. It is crucial because it determines the compatibility with chainrings and ensures they fit securely. The 130BCD specification of the BOLANY crankset allows it to accommodate a wide range of popular aftermarket chainring options, which can help customize your gearing for specific riding conditions. -
Question:
What materials are used in the BOLANY Crankset construction?
Answer: The BOLANY crankset is made of high-quality aluminum, combining strength with a lightweight design, making it suitable for road cycling. The hollow integrated design minimizes weight without sacrificing rigidity, allowing for greater power transfer to the pedals. This feature makes it an optimal choice for racers and serious cyclists who prioritize performance and efficiency in their gear. -
Question:
How does the bottom bracket fit with the BOLANY crankset?
Answer: The BOLANY crankset includes a bottom bracket that is designed to fit seamlessly with its structure. It offers a reliable interface that ensures smooth rotation and improves pedal efficiency. When installing this crankset on your road bike, the fit allows for a stable and effective power transfer from your legs to the bike, enhancing your overall riding experience. Proper installation will ensure you maximize the performance benefits. -
Question:
What type of cyclists would benefit from using this crankset?
Answer: This crankset is ideal for road cyclists, whether you are an enthusiastic commuter, a weekend warrior, or a competitive racer. Its efficient gearing and lightweight design cater to those looking for performance without the burden of heavy components. Cyclists who often ride on varied terrains will find the double-speed feature particularly beneficial for tackling varying inclines, making it a versatile addition to your cycling gear. -
Question:
Can I use the BOLANY crankset for off-road cycling?
Answer: While the BOLANY crankset is primarily designed for road bike usage, some off-road scenarios like gravel paths may still be suitable. However, due to its specific design for smooth pavement performance, riders often prefer dedicated mountain bike cranksets for rugged terrains. If you're an occasional off-roader, you might manage with this crankset, but for frequent trail rides, investing in dedicated components would ensure better durability and performance. -
Question:
What specific benefits does the integrated design of the crankset provide?
Answer: The integrated design of the BOLANY crankset enhances structural integrity while reducing overall weight. By merging the crank and bottom bracket assembly, the system allows for optimal power transfer with minimal flex. This can lead to more efficient pedaling and improved rider control. Cyclists looking for an aerodynamic advantage will appreciate this design, especially during competitive events where every watt matters. -
Question:
Where can I buy the BOLANY 170mm Bike Crankset?
Answer: You can buy the BOLANY 170mm Bike Crankset from Ubuy in Saint Lucia. Ubuy offers a convenient platform for online shopping, providing various options for this crankset along with reliable customer service. Whether you're looking to upgrade your bike or replace an old crankset, Ubuy is an excellent choice to find this specific model and ensure its compatibility with your cycling needs.
BOLANY Cranksets Editorial Review
The BOLANY 170mm Bike Crankset Double Speed is receiving positive feedback from customers for its quality Construction and good value. Reviewers have noted the crankset is well made, light in weight, and features a combination of materials, including aluminum chainrings and crank arms alongside a steel spindle. This hybrid Construction makes it a robust option for road bikes. Users appreciate that it comes with a bottom bracket, enhancing its value and convenience for those looking to upgrade or modify their bikes. Additionally, reviewers have mentioned ease of installation, with one cautioning about the necessity to torque the preload bolt properly to prevent loosening over time. The chainrings arrive straight and undamaged, a detail that has certainly garnered favor. With its decent gear ratio, the crankset is suitable for road setups, making it a favored choice among cyclists looking to improve their bike's performance for trainer use or other functionalities. While some users have mentioned a lack of installation tools, this has not significantly impacted the overall reception, with most finding the crankset to deliver solid performance with no reported issues post-installation. **
Customer Reviews & Ratings
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Pros
- Well-Constructed and lightweight
- Comes with a bottom bracket
- Aluminum chainrings and crank arms enhance durability
- Good gear ratio for road bikes
- Arrives without warping, ready to use
Cons
- Lacks installation tools
Platform Trust & Buyer Confidence
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Mohammad
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“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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“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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XCD 212
Order now and get it around Sunday, August 30
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
- Double speed round 39T/53T chainring
- Robust and durable 7075 T6 all aluminium material
- Smooth gear changes
- High strength removable chainring
- Built-in bearing for smooth pedaling and noise reduction
- Precision CNC machining and surface heat treatment for higher strength
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