KCNC
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KCNC OSPW Oversized Pulley System Cage - Compatible with SRAM Red Force 10S 11S - Sealed Bearings
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KCNC OSPW Oversized Pulley System Cage - Compatible with SRAM Red Force 10S 11S - Sealed Bearings
Upgrade your drivetrain for ultimate efficiency and superior performance
KCNC OSPW Oversized Pulley System Cage - Compatible with SRAM Red Force 10S 11S - Sealed Bearings
Item #: 18245297

KCNC OSPW Oversized Pulley System Cage - Compatible with SRAM Red Force 10S 11S - Sealed Bearings

Item #: 18245297

BZD 253

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*All items will import from US

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Order now and get it around Tuesday, August 04
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What Stands Out

Enhanced Performance
The KCNC rear derailleur features an oversized pulley system that improves shifting precision and speed, ensuring a smooth ride for competitive cyclists using Sram Red, Force, and Rival systems.
Compatibility
Designed specifically for Sram 10 and 11-speed mechanical systems, this derailleur maximizes compatibility, allowing a versatile upgrade for enthusiasts who seek performance without compromising on brand compatibility.
Durable Construction
Crafted with high-quality materials, the KCNC derailleur offers exceptional durability and longevity, providing riders with a reliable component that withstands rigorous road conditions and enhances the overall biking experience.

Product Details

Maximize your performance with KCNC Road Bicycle Bike Rear Derailleur Oversized Pulley Wheel System. Reduce friction by 45% and optimize energy return. Compatible with Sram Red/Force/Rival 10s 11s. Shop now at Ubuy Belize!
Item Weight0.5 lbs (230 grams)

Who Should Buy?

Suitable For
  • Cyclocross Enthusiasts

    Ideal for riders improving performance, speed, and shifting efficiency during cyclocross races and training sessions.

  • Long-Distance Riders

    Perfect for cyclists engaged in gravel riding or long-distance adventures, ensuring smoother gear transitions while riding.

  • Sram System Users

    Specifically designed for bikes using Sram Red, Force, or Rival systems, enhancing their overall drivetrain efficiency.

Not Suitable For
  • Casual Riders

    Not suitable for casual cyclists who do not require high performance components or advanced shifting technologies.

Product Description

KCNC OSPW Oversized Pulley System Cage - Compatible with SRAM Red Force 10S 11S - Sealed Bearings

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the benefit of using an oversized pulley wheel system in my bike’s rear derailleur?

    Answer: Using an oversized pulley wheel system, such as the OSPW, enhances the efficiency of your derailleur by reducing friction and improving gear shifting performance. This system is engineered to create smoother transitions between gears, especially under load, making your rides more enjoyable and efficient. This is particularly beneficial for road cyclists and gravel riders who require precise gear changes during varied terrains.
  • Question: Is the OSPW system compatible with all types of bikes?

    Answer: The OSPW system is specifically designed to work with Sram Red, Force, and Rival mechanical groupsets. While it provides superb compatibility and performance enhancement for these models, users of other derailleur brands or models may find limited effectiveness. It’s essential to check your bike's specifications and compatibility before investing in this system to ensure optimal performance.
  • Question: How does the weight of the OSPW system compare to standard pulley wheels?

    Answer: The OSPW system generally weighs slightly more than standard pulley wheels due to its larger size and robust design. However, the enhanced performance, reduced drag, and smooth shifting often outweigh any minor weight increase. Cyclists who value quick gear changes and improved efficiency will appreciate the overall upgrade in their cycling experience regardless of the slight difference in weight.
  • Question: What materials are used in the construction of the OSPW system?

    Answer: The OSPW system is typically crafted from high-quality materials that strike a balance between strength and weight. Most constructions include durable polymers and aluminum, engineered for longevity and performance. This combination ensures that the pulley system can withstand rigorous cycling conditions while maintaining its functionality, serving well for both casual riders and competitive cyclists.
  • Question: Can I install the OSPW system by myself, or do I need a professional?

    Answer: The installation of the OSPW system can be done by an experienced cyclist, given adequate tools and basic mechanical knowledge. The process involves removing the current derailleur and following included instructions for the OSPW setup. However, for those unfamiliar with bike mechanics, a visit to a professional bike shop is advisable to avoid the risk of misalignment, ensuring optimal performance of your bicycle.
  • Question: How does the OSPW system perform in muddy or wet conditions?

    Answer: The OSPW system performs admirably in muddy or wet conditions due to its design that minimizes debris accumulation and enhances cleaning. The larger pulley wheels also help to generate a more effective clearance, allowing for smoother functioning in adverse weather. This feature is especially advantageous for cyclocross and gravel riders who often encounter challenging outdoor environments.
  • Question: What makes the OSPW system a good investment for cyclists?

    Answer: Investing in an OSPW system like the one designed for Sram Red, Force, or Rival offerings enhances overall bike performance. Its ability to promote smoother gear shifts and reduce wear on your components ensures increased longevity and better ride quality. Cyclists aiming for performance should consider this upgrade as it can lead to a more enjoyable and efficient riding experience while maintaining the health of the drivetrain.
  • Question: What maintenance does the OSPW system require?

    Answer: Typical maintenance for the OSPW system involves regular cleaning and lubrication of the pulley wheels to ensure they operate smoothly. Riders should inspect the system for any debris buildup or signs of wear. This attention to maintenance is particularly crucial for cyclists who frequently ride in harsh conditions, as it helps to extend the lifespan of the gear and maintain effective shifting performance.
  • Question: Is the OSPW system suitable for both road and gravel cycling?

    Answer: Yes, the OSPW system is well-suited for both road and gravel cycling. Its design caters to a variety of cycling conditions, making it a versatile choice for riders. Whether tackling smooth pavement or rough trails, the benefits of reduced friction and enhanced shifting readily translate to any cycling discipline, providing a significant performance advantage across both terrains.
  • Question: Where can I buy the Road Cyclocross Gravel E-Bike Bicycle Bike Rear Derailleur Oversized Pulley Wheel System Cage OSPW?

    Answer: You can purchase the Road Cyclocross Gravel E-Bike Bicycle Bike Rear Derailleur Oversized Pulley Wheel System Cage OSPW from Ubuy in Belize. Ubuy offers a reliable platform for finding specialized bike components, ensuring you can easily access the specific parts necessary for enhancing your cycling experience with the latest technology.

KCNC Rear Derailleurs Editorial Review

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“The product received very good packaging & safe…Thank You”

16 June 2026 · via Trustpilot
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“Accurate delivery timing given”

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“Not madly expensive like I thought, and much quicker than promised.”

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“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”

12 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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BZD 253

Order now and get it around Tuesday, August 04

QTY:

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Features & Benefits

  • KCNC Wheel Bearings reduce friction, giving you lower rolling resistance
  • Oversized pulley maximizes energy return
  • Reduces friction in pulleys by 45%
  • Compatible with Sram Red/Force/Rival 10s 11s rear derailleur
  • Pulley wheels have 3-5 times longer lifetime than standard pulleys
  • Compatible with up to 32T cassettes on most bikes

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