To improve your shopping experience today and in the future, this site uses cookies.
I Accept Cookies
Shimano EW-SD300 E-Tube Di2 Electric Wire 700mm – Reliable Connection for Shimano Di2 & STEPS EP8 Systems
Shimano EW-SD300 E-Tube Di2 Electric Wire 700mm – Reliable Connection for Shimano Di2 & STEPS EP8 Systems
Shimano

Shimano EW-SD300 E-Tube Di2 Electric Wire 700mm - 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

Shimano EW-SD300 E-Tube Di2 Electric Wire 700mm - Black

Brand:Shimano

Code:EWSD300IL070

Upgrade your electronic shifting performance with the Shimano EW-SD300 E-Tube Di2 Electric Wire (700mm), engineered for seamless connectivity and superior reliability across Shimano Di2 and STEPS EP8 e-bike systems.

Designed with Shimano’s next-generation E-Tube technology, this durable and efficient electric wire ensures precise communication between components while keeping your setup sleek, clean, and easy to maintain.

Optimised for Shimano Di2 and STEPS EP8 E-Bike Systems

The Shimano EW-SD300 features a fully removable individual cable system, allowing riders and mechanics to fine-tune the perfect cable length for each component. This ensures a tidy, professional installation and maximum performance across your entire Di2 or EP8 setup.

Advanced E-Tube Technology for Smooth, Effortless Shifting

By replacing traditional mechanical cables with high-quality electrical wiring, the EW-SD300 eliminates shifting issues caused by contamination, corrosion, or cable stretch. Enjoy lightning-fast and precise gear changes every time, even in demanding conditions.

  • Length: 700mm – ideal for most Di2 and e-bike setups
  • Compatible with: Shimano Di2, STEPS EP8, and other E-Tube systems
  • Slim 3.45mm plug design for a clean and compact fit
  • Connects with EW-SD50 cables via EW-AD305 adapter
  • Water-resistant connectors ensure secure, long-lasting performance
  • No cutting required – available in multiple lengths for a perfect fit
  • Reliable digital communication between shifters, derailleurs, and battery units

Why Choose the Shimano EW-SD300 700mm E-Tube Wire?

  • Designed by Shimano for ultimate system integration
  • Enables precise, efficient, and maintenance-free shifting
  • Compatible with the latest EP8 drive units and Di2 electronic drivetrains
  • Durable and waterproof construction ensures long-term reliability
  • Perfect for cyclists upgrading or maintaining their Shimano E-Tube system

The Shimano EW-SD300 E-Tube Di2 Electric Wire is perfect forShimano Di2 road bikes,Shimano STEPS EP8 e-bikes, mountain and gravel e-bikes with E-Tube compatibility, riders who demand professional-grade performance and reliability. Experience flawless electronic shifting with Shimano’s trusted E-Tube technology, built for precision, performance, and durability.

Sizing Information

General Unisex Brand Information

Professional Opinion

Also in the range

Home Components Shimano Gears & Drivetrain