To improve your shopping experience today and in the future, this site uses cookies.
I Accept Cookies
Shop the Shimano Ultegra FC-R8000 34T-MS 11-Speed Inner Chainring. Genuine Shimano replacement for FC-R8000 compact cranksets with HG 11-speed chain compatibility.
Shop the Shimano Ultegra FC-R8000 34T-MS 11-Speed Inner Chainring. Genuine Shimano replacement for FC-R8000 compact cranksets with HG 11-speed chain compatibility.
Shimano

Shimano Ultegra FC-R8000 11-Speed Inner Chainring 34T-MS - Grey

£11.99 £24.99 52% off
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

Shimano Ultegra FC-R8000 11-Speed Inner Chainring 34T-MS - Grey

Brand:Shimano

Code:Y1W834000

Genuine Shimano Ultegra 34T Inner Chainring for FC-R8000 11-Speed Road Cranksets


The Shimano Ultegra FC-R8000 11-Speed Inner Chainring 34T-MS is a genuine Shimano replacement chainring designed to maintain smooth, accurate and reliable shifting performance on Shimano Ultegra R8000 road bike drivetrains.

Built specifically for the Shimano FC-R8000 11-speed crankset, this 34-tooth inner chainring is ideal for compact 50/34T road chainset setups. Whether you are replacing a worn chainring, repairing a damaged drivetrain component or refreshing your road bike for improved performance, the Ultegra 34T-MS inner ring delivers Shimano’s trusted balance of lightweight construction, stiffness and precision shifting.


Smooth Shifting and Efficient Power Transfer

Shimano Ultegra chainrings are engineered for fast, consistent and dependable gear changes. The precision tooth profile is optimised for use with Shimano HG 11-speed chains, helping deliver excellent chain engagement, smooth front shifting and efficient power transfer on every ride.

The rigid construction helps maintain accurate shifting even under load, making this chainring suitable for training, racing, endurance cycling, sportives and everyday road riding.

  • Genuine Shimano Ultegra FC-R8000 inner chainring
  • 34T-MS inner chainring for compact road cranksets
  • Designed for Shimano FC-R8000 11-speed cranksets
  • Ideal replacement for worn or damaged Ultegra chainrings
  • Optimised for Shimano HG 11-speed chains
  • Suitable for 50/34T compact chainset setups
  • Lightweight, durable and rigid construction
  • Precision-engineered tooth profile for smooth chain engagement
  • Helps maintain accurate and reliable front shifting
  • Perfect for road cycling, racing, training and endurance riding
  • Shimano part number: Y1W834000

Designed for Shimano Ultegra R8000 Road Drivetrains

The Shimano Ultegra FC-R8000 34T inner chainring is made to work seamlessly with Shimano’s 11-speed Ultegra road drivetrain system. It is the correct inner ring option for riders using a compact 50T-MS outer chainring with the FC-R8000 crankset.

Using a genuine Shimano replacement chainring helps preserve drivetrain performance, shifting quality and long-term reliability.


Compatible Outer Chainring

  • 50T-MS outer chainring
  • Shimano part number: Y1W898020

Other Available Shimano Ultegra FC-R8000 Chainring Sizes

  • Inner chainring sizes:
    • 39T
    • 36T
    • 34T
  • Outer chainring sizes:
    • 53T
    • 52T
    • 50T
    • 46T

Choose the Shimano Ultegra FC-R8000 11-Speed Inner Chainring 34T-MS if you need a genuine Shimano replacement chainring for reliable 11-speed road bike shifting. With precise chain engagement, lightweight rigidity and full compatibility with FC-R8000 compact cranksets, this 34T inner chainring helps restore smooth performance and efficient power transfer to your Shimano Ultegra drivetrain.

Technical Information
  • Product Type
    Chainring
  • Speed
    11-Speed
  • Discipline
    Road, Time Trial & Triathlon
  • Colour
    Grey
  • Size
    34 teeth
  • Bolt Circle Diameter
    110 mm
  • Chainring Fitting
    4 Arms
As with any product, specification is subject to change without prior notification. You are advised to confirm current specification before buying.
Sizing Information

General Unisex Brand Information

Professional Opinion

Also in the range

Home Road Cycling Components Shimano Gears & Drivetrain