Shimano Ultegra Di2 R8150 2xV Left Shifter

The Shimano Ultegra Di2 R8150 2x12V left shifter features all-new ergonomics, even more precise brake modulation and wireless electronic shifting. This trifecta allows you to focus on the next sprint, the next descent or your partner's next joke.

They provide improved modulation and control on every ride thanks to Shimano's proven SERVO WAVE technology. The new Di2 platform, used on both Dura-Ace and Ultegra, frees up shifting while offering the world's fastest and most reliable wireless shifting.