KMC Chainring 38T Bosch 52 Gen 4 Spacerless Version

38T spacerless direct mount chainring slashes drivetrain drag for Bosch Gen 4—boost your e-bike’s power and precision on every ride

€31

Price for FATclub members: €29

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Unlock Peak Performance with Precision-Engineered E-Mobility Components.

Struggling with compatibility and efficiency in your e-bike drivetrain? The KMC 38T Bosch Gen 4 Spacerless Chainring delivers a seamless fit and optimized power transfer for Bosch Generation 4 systems. Designed for direct mount installation with a 52mm bolt circle diameter and a precise 9mm offset, it eliminates the hassle of spacers and ensures maximum drivetrain responsiveness. Upgrade your ride with a component built to enhance durability and performance in every pedal stroke.

Key Features

  • Spacerless design for clean, hassle-free installation.
  • Direct mount 52mm BCD tailored for Bosch Gen 4 e-bike systems.
  • 9mm offset for optimal chainline and drivetrain efficiency.
  • 38 teeth configuration balancing speed and torque.
  • High-quality KMC engineering for long-lasting durability.

Technical Specifications

  • Brand: KMC
  • Teeth: 38
  • Compatibility: Bosch Generation 4
  • Version: Spacerless
  • Mount Type: Direct mount
  • Bolt Circle Diameter (BCD): 52mm
  • Offset: 9mm

Frequently Asked Questions

Yes, the KMC 38T spacerless chainring is specifically designed to fit all Bosch Generation 4 e-bike motors with a 52mm direct mount interface.
No, the spacerless design means you can install the chainring directly without any extra spacers, simplifying the setup process.

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