Shimano EW-SD300-I Di2 Electric Wire 1600mm RGroup_9B5460A9872538917CDDF71D541B9EA9EC523C12 and a 9-point lens retention

and a 9-point lens retention system to ensure stability

and ideal for cyclists seeking a reliable solution

Constructed from lightweight aluminum

They feature an ergonomic design and bar ends for extra hand support

Shimano EW-SD300-I Di2 Electric Wire 1600mm RGroup_9B5460A9872538917CDDF71D541B9EA9EC523C12 and a 9-point lens retentionThe Shimano EW SD300 I Di2 Electric Wire 1600mm is designed for internal routing, improving your bike's look and performance. It's smaller and lighter than previous models, providing efficient and quick shifting. The plug and play setup works seamlessly with Shimano's E TUBE system, offering a smooth ride without traditional wiring clutter.