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Upgrade your electronic shifting system with the Shimano EW-SD300 E-Tube Di2 Electric Wire 250mm.
Upgrade your electronic shifting system with the Shimano EW-SD300 E-Tube Di2 Electric Wire 250mm.
Shimano

Shimano EW-SD300 E-Tube Di2 Electric Wire 250mm - Black

£24.99
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

Shimano EW-SD300 E-Tube Di2 Electric Wire 250mm - Black

Brand:Shimano

Code:EWSD300IL025

Upgrade your electronic shifting system with the Shimano EW-SD300 E-Tube Di2 Electric Wire 250mm, designed for seamless integration with modern Shimano Di2 and STEPS EP8 e-bike systems. This premium E-Tube cable replaces traditional mechanical gear cables, delivering ultra-reliable, contamination-free and maintenance-free shifting performance for road, gravel, MTB and e-bike riders.

With its slim 3.45mm connector and fully modular design, the EW-SD300 Di2 wire ensures a clean, tidy and optimised setup for any Di2-equipped bike, providing secure connectivity and long-lasting durability in all weather conditions.


  • Electronic shifting precision: Eliminates issues caused by cable stretch, dirt and corrosion for smooth, effortless gear changes.
  • Optimised for Shimano STEPS EP8: Fully compatible with the removable, individual E-Tube cable system, allowing perfect cable length adjustment for neat, efficient routing.
  • Slim 3.45mm plug design: Compact connectors ensure easy internal routing and a clean aesthetic on modern frames.
  • Cross-compatibility: Can be paired with EW-SD50 wires using the Shimano EW-AD305 adapter.
  • Available in multiple lengths: No cutting required—choose the ideal length for each component to achieve the perfect Di2 setup.
  • Water-resistant and secure: Engineered with reliable sealed connectors designed to withstand tough riding conditions.
  • Multi-discipline use: Perfect for road bikes, gravel bikes, mountain bikes and e-bikes equipped with Shimano Di2.

Enhance your bike’s electronic drivetrain with the Shimano EW-SD300 E-Tube Di2 cable, ensuring faster, cleaner and more reliable shifting performance on any terrain.

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