Shimano
EW-SD300 E-Tube Electric Wire
The Shimano EW‑SD300 E‑Tube Electric Wire is a slim, reliable connection cable designed for modern Di2 electronic shifting systems. Its compact SD300 profile makes routing clean and simple while ensuring fast, stable communication between components.
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E‑Tube electric wire for Shimano Di2 electronic shifting
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Compatible with Shimano 12‑speed Di2 systems using SD300 connectors
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Slim, low‑profile design for clean internal or external routing
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Secure connectors ensure consistent signal transfer
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Available in multiple lengths to suit any frame layout
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Durable construction for long‑term reliability
Ideal for riders upgrading or maintaining their Di2 setup who want a dependable, clean‑routing wire compatible with Shimano’s latest E‑Tube platform.
Shipping information
Ships in 2–3 business days with free delivery across Canada on orders over $99. Same‑day pickup available Tue–Sat (closed Sun–Mon).
Returns & warranty
Enjoy hassle‑free returns within 30 days on unused items in original packaging (excludes bikes and sale items). Free in‑store returns anytime.