Electric Wire Shimano EW-SD300 Di2 Internal
Slim waterproof Di2 wire for reliable performance and clean internal routing. Compatible with Shimano 12-speed systems.
Overview
Electric Wire Shimano EW-SD300 Di2 Internal
The Shimano EW-SD300 is a next-generation Di2 electric wire designed for internal routing, delivering reliable signal transmission and power to all E-TUBE system components. Its slim and compact design makes it ideal for modern bikes with clean, integrated cable setups.
Featuring the updated SD300 connection standard, it enables smaller and lighter electronic components while supporting Shimano 12-speed Di2 systems. The “plug & gap” connection ensures easy installation and secure, waterproof connectivity.
Available in multiple lengths, the EW-SD300 wire is suitable for road and urban bikes alike. Its waterproof construction guarantees durability and consistent performance even in demanding conditions.
- Model: EW-SD300-I
- Routing: internal
- Number of plugs: 2
- Cable diameter: 2.4 mm
- Plug diameter: 3.45 mm
- Type: SD300 E-Tube
- Compatibility: Dura-Ace, Ultegra, 105 Di2
- Compatibility: Alfine, Nexus Di2
The Shimano EW-SD300 provides stable and efficient data transmission, making it a key component of modern Di2 systems.
