Shimano Dura Ace 9070 Di2 EW90 Junction Box - EW90-B - 5-Port - TT Handlebar

Compare today's prices on the "Shimano Dura Ace 9070 Di2 EW90 Junction Box - EW90-B - 5-Port - TT Handlebar".

Shimano Dura Ace 9070 Di2 EW90 Junction Box - EW90-B - 5-Port - TT Handlebar

Upgrade your time trial or triathlon setup with the Shimano Dura Ace 9070 Di2 EW90 Junction Box. By replacing traditional mechanical cables with reliable electrical wiring, this 5-port unit eliminates the shifting inconsistencies caused by contamination, corrosion, and cable stretch, giving you crisp, instantaneous gear changes every time. Designed specifically for TT handlebars, it integrates seamlessly into your aero cockpit for a clean, professional finish.

- 5-port design for connecting shifters, derailleurs, and other Di2 components

- Compatible with Shimano Dura Ace 9070 series Di2 groupsets

- Sleek, low-profile housing optimised for time trial and triathlon handlebars

- Weather-resistant construction protects internal electronics from moisture and dust

- Plug-and-play installation with existing Di2 wiring harnesses

- Lightweight yet durable plastic shell weighs just a few grams

- Enhances system reliability by centralising connections in one accessible point

- Streamlines cable routing to maintain aerodynamic profile

Whether you are fine-tuning your race machine or building a new speed weapon, this junction box keeps your shifting smooth and dependable in all conditions.

GTIN: 4524667986393