FREE SHIPPING on orders of $50 or more.* Same day shipping before 3PM Pacific.
X
Questions? Call our experts!
1.800.651.4050
X
COVID-19 RESPONSE
DEAL OF THE DAY
ALL SALE ITEMS
SHOP CLOSEOUTS
Click to zoom

Shimano
Di2 EW-SD50 E-Tube Wire

Mfg PartNum:
  (2 customer reviews)
Price
Reduced
Purchase this popular item
today and save 3%
252
POINTS
Earn $2.52 in Rewards credit. Click to learn more.
This size is not eligible for Rewards points
In Stock Now
Sale
$25.21
Save 3%
MSRP $25.99
Please Confirm Size
This item is currently out of stock. Click Notify Me to receive an email when the item becomes available.
InstantPrice MatchWhat is this?
Free Shipping on Orders Over $50*

The EW-SD50 E-Tube Wires are the circulatory system of the Ultegra 6770 and Dura-Ace 9070 groupsets.

You'll need four of these to connect the Front Wire/Junction (A) to the Rear Junction Box (B), Battery, Front and Rear Derailleurs (all sold separately). Dura-Ace requires two additional wires because the shifter control wires are not integrated into Front Junction Box (A) as they are with Ultegra. So that makes six total for Dura-Ace 9070 groups, and four total for Ultegra 6770 set ups.

E-Tube wires come in a wide variety of lengths to accommodate every bike out there (tandems too). If you end up with a wire that's slightly too long, it's possible to remove a few cm of slack at the junction box.

The Di2 EW-SD50 E-Tube Wires are sold individually and are compatible with internally or externally routed systems. The SM-GM01 and SM-GM02 Rubber Grommets are recommended for frames with internal cable routing. For external routing, add the SM-EWC2 Wire Covers for a sleek look.

B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.

Ordered by Most Relevant First
5 stars
4 stars
3 stars
2 stars
1 stars
(2)
(0)
(0)
(0)
(0)
(100%)
(0%)
(0%)
(0%)
(0%)
Mandatory
rating
by Doug
Competitive Racer
New Jersey, USA

I think this should be required for any bike with Di2. Who wants to look at blinking lights to see if your battery is flat? Also enabling the little buttons under the brake hoods is convenient if your Garmin screen andor hands are wet. Only downside, this stuff is expensive for what it is.

Reviewed 8/15/2019
Was this review useful to you? Yes/No
Thank you for your feedback.
Was just the rt length for my bars
rating
by Brettmac

Installed clean and easily

Reviewed 7/2/2018
Was this review useful to you? Yes/No
Thank you for your feedback.

Articles will open in new tab.

Comparing bottom bracket types and standards.
You wanna go fast? Join the ceramic revolution!
Make your upgrades count. Here's the equipment that will help you ride your bike faster.
Campagnolo vs. Shimano vs. SRAM: demystifying groupsets.
What to consider when selecting a crankset for your road bike.