To improve your shopping experience today and in the future, this site uses cookies.
I Accept Cookies
KMC Bosch Gen 4 Super Narrow Chainring 38T 52 – High-Performance, Long-Lasting E-Bike Chainring
KMC Bosch Gen 4 Super Narrow Chainring 38T 52 – High-Performance, Long-Lasting E-Bike Chainring
KMC

KMC Bosch Gen 4 Super Narrow Chainring 38T 52 Spacerless - Black

£27.99
Pre-Order

With Pre-Order, you can purchase the latest items added to our store in advance of them arriving with us.

Your Pre-Order is prioritised (at no additional charge); meaning that as soon as the product arrives with us, we can wrap it straight back up; ready for collection via Click & Collect or despatch to you — it often never even hits the stock room shelves!

Pre-Launch

With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined

KMC Bosch Gen 4 Super Narrow Chainring 38T 52 Spacerless - Black

Brand:KMC

Code:KLS338BC

Upgrade your Bosch 4th generation e-bike drivetrain with the KMC Bosch Gen 4 Super Narrow Chainring 38T 52. Engineered for exceptional durability, precision, and efficiency, this hardened CrNo steel chainring is built to last at least 3,500km and extends drivetrain longevity when paired with KMC E-series chains.

  • Optimised for Bosch Gen 4 Motors
    Designed for a perfect fit and seamless performance.
  • Ultra-Durable Hardened CrNo Steel
    Ensures longer lifespan and superior wear resistance.
  • Battery-Saving Efficiency
    Reduces energy loss for longer rides on a single charge.
  • High-Precision Engineering
    Delivers smooth, reliable, and precise gear changes.
  • Easy Installation & Compatibility
    Quick and simple conversion, perfectly tailored to narrow KMC chains.
  • Extended Drivetrain Life
    Pair with KMC E-series chains to maximize performance and durability.

The KMC Bosch Gen 4 Super Narrow Chainring 38T 52 enhances your drivetrain to deliver smooth shifting, and an extended lifespan, and improved riding efficiency.

Technical Information
  • Size
    1/2" X 11/128"
  • Colour
    Black
  • Treatment
    Hardened Chromoly steel
  • For
    Bosch 4 systems
  • Direct mount:
    9mm offset
  • E1, E12, E11, E10, E9 & E8 chains
Sizing Information
Professional Opinion
Home Components KMC Gears & Drivetrain