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Item #:
167623950
KCNC lightweight derailleur with built-in pulley bearing Jockey wheel compatible with 9/10/11 speeds
Item #:
167623950
JMD 5161
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from JP
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Imported from Japan store
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Order now and get it around Monday, August 31
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Stronger than resin pulleys and retain power, making it ideal for upgrading your derailleur.
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What Stands Out
Lightweight design
KCNC's lightweight jockey wheels enhance overall cycling performance. Riders benefit from reduced drag, making it ideal for competitive cyclists seeking agility without sacrificing durability.
Premium Bearings
Equipped with high-quality bearings, these pulleys ensure smooth operation and minimal friction. This feature extends longevity and improves the shifting performance of your bike.
Versatile compatibility
Compatible with 9, 10, and 11-speed systems, KCNC's derailleur pulleys easily adapt to various bike sets, making it a perfect choice for cyclists looking to upgrade their drivetrain efficiency.
Product Details
| Brand Name | KCNC |
| Manufacturer | u30b1u30fcu30b7u30fcu30a8u30ccu30b7u30fc (KCNC) |
| Country of Publication | Taiwan |
| Incoraded Components | No |
| Item type name | Bicycle parts |
| Model Number | 304395 |
| Manufacturer Part Number | 304395 |
| Color | Blue |
| Material Type | Aluminum Stainless Steel |
| Mount Type | Clamp-On Mount |
| Number of Teeth | 11 |
| Brand | KCNC |
| Material | Aluminum Stainless Steel |
| Mounting Type | Clamp-On Mount |
| Item Weight | 0.2 lbs (90 grams) |
Who Should Buy?
-
Weight-Conscious Cyclists
Ideal for riders looking to reduce bike weight for improved performance and faster clips on challenging terrains.
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Competitive Racers
Designed for competitive cyclists who prioritize efficiency and speed, enhancing their racing performance with lower resistance.
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Maintenance Enthusiasts
Perfect for users who regularly maintain their bike, appreciating the ease of installation and enhanced durability.
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Casual Riders
Not suitable for casual cyclists who prioritize comfort and budget over lightweight components and advanced technology.
Product Description
KCNC lightweight derailleur with built-in pulley bearing Jockey wheel compatible with 9/10/11 speeds
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
Will these pulleys fit my SRAM derailleur?
Answer: Yes, these pulleys fit SRAM 9/10/11 Speed Derailleurs, but not SRAM guide pulleys. -
Question:
How do I install the KCNC derailleur pulley?
Answer: Simply replace your existing pulley with the KCNC pulley, and ensure the derailleur hanger is straight. -
Question:
What material is the KCNC derailleur pulley made from?
Answer: The pulley is made from CNC Cutting 7075 Aluminum Alloy, making it stronger than resin options.
ケーシーエヌシー(KCNC) Wheels 304395 Editorial Review
The KCNC Lightweight Derailleur Pulley with Built-in Bearing Jockey Wheel has garnered a mixed reception among customers, showcasing both satisfaction and some skepticism regarding its functionality. Many users appreciate the sleek design, noting that it adds a stylish touch to their bicycles. The product seems to perform adequately in terms of smooth rotation and shifting capabilities, with a few customers specifically mentioning that they experienced a lighter pedal feel post-installation. However, some customers reported minimal noticeable effects on resistance reduction. While a few users successfully used the pulley in conjunction with their existing components, others faced fitting challenges, particularly when upgrading to larger pulley sizes. The installation process can be tricky, leading to instances where users had to modify or replace components to achieve a proper fit. Despite these technical hiccups, many customers expressed overall satisfaction with their purchase, emphasizing that they do not regret their decision. Overall, while the KCNC Lightweight Derailleur Pulley has its quirks, it seems to deliver decent performance and aesthetic appeal, making it a worthwhile upgrade for some cyclists. **
Customer Reviews & Ratings
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Pros
- Aesthetically pleasing design
- Smooth rotation and performance
- Enhances shifting capabilities
- Many report a lighter pedal feel after installation
- Generally positive feedback on functionality
Cons
- Varying perceptions of resistance reduction effectiveness
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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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JMD 5161
Order now and get it around Monday, August 31
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Features & Benefits
- Compatible with SHIMANO, CAMPAGNOLO, SRAM 9/10/11 Speed Derailleurs.
- Constructed from CNC Cutting 7075 Aluminum Alloy for durability.
- Features stainless steel ball bearings for smooth rolling.
- Suitable for both guide and tension pulleys.
- Upgrades bush derailleurs for enhanced performance.
- 1 piece; ensure proper installation and check speed operation before riding.
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