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Shimano EW-AD305 SD300 to SD50 Conversion Adapter | E-Tube Wiring Connector
Shimano EW-AD305 SD300 to SD50 Conversion Adapter | E-Tube Wiring Connector
Shimano

Shimano EW-AD305 SD300 to SD50 Conversion Adapter

£21.99
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-AD305 SD300 to SD50 Conversion Adapter

Brand:Shimano

Code:EWAD305

The Shimano EW-AD305 Conversion Adapter is the perfect solution for connecting EW-SD300 E-Tube wires to EW-SD50 E-Tube wires, enabling seamless integration across Shimano Di2 electronic shifting systems. Designed for reliable and secure electrical connections, this adapter ensures water-resistant performance for all-weather riding and long-lasting durability.

Compatible with Shimano’s Di2 electronic shifting components, the EW-AD305 allows cyclists to upgrade or extend their Di2 wiring setup without replacing existing cables, maintaining smooth and precise shifting performance.

  • Converts EW-SD300 (3.45mm diameter) E-Tube wires to EW-SD50 (5.1mm diameter) wires
  • Ensures secure, water-resistant connections for Shimano Di2 systems
  • Maintains reliable, high-speed electronic shifting performance
  • Compact and durable design for easy installation on road or gravel bikes
  • Compatible with all Shimano Di2 components using SD300 and SD50 wiring

Optimise your Shimano Di2 system with the EW-AD305 Conversion Adapter for hassle-free E-Tube wire compatibility, precision shifting, and all-weather reliability.

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