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⚡ Power your ride with precision and style — never miss a shift!
The Shimano EW-RS910 E-Tube Di2 Junction A is a compact, dual-port electronic junction box designed for road and cross-country bikes. It enables seamless connection of Di2 shifters to the down tube wiring, features an external charging port, water-resistant connectors, and a battery level indicator. Compatible with frame or handlebar mounting, it ensures reliable, corrosion-free electronic shifting powered by a rechargeable battery.
| ASIN | B01MXTE6GL |
| Additional Features | 2-port junction box, externally facing charging port, integrated mounting point |
| Age Range (Description) | Adult |
| Age Range Description | Adult |
| Best Sellers Rank | #242,629 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #115 in Bike Brake Mounts & Adapters |
| Bicycle Drivetrain Type | Road |
| Bicycle Gear Shifter Type | Bar End |
| Bike Type | Cross Country Bike |
| Brake Style | Hub brake |
| Brand | SHIMANO |
| Brand Name | SHIMANO |
| Color | Black |
| Customer Reviews | 4.8 out of 5 stars 205 Reviews |
| Derailleur Configuration | Front |
| EU Spare Part Availability Duration | 2 years |
| Electric Assist Type | Electric Assist |
| Frame Material Type | Aluminum |
| Global Trade Identification Number | 04524667890874 |
| Included Components | Bike Parts |
| Item Type Name | Bike Parts |
| Item Weight | 1.6 ounces |
| Manufacturer | Shimano |
| Model Name | EW-RS910 |
| Model Number | EWRS910 |
| Model Year | 2017 |
| Number Of Speeds | 1 |
| Number of Speeds | 1 |
| Power Source | rechargeable battery |
| Seat Material | Plastic |
| Size | one |
| Skill Level | Intermediate |
| Specific Uses For Product | Cross-country bicycling |
| Style Name | Single |
| Suspension Type | Dual |
| Theme | Bicycling |
| UPC | 689228890879 |
| Unit Count | 1 Count |
| Warranty Description | Limited Warranty |
| Warranty Type | Limited |
| Wattage | 125 watts |
| Wheel Material | Plastic |
| Wheel Size | 3 centimeters |
T**S
Great piece of technology!
I love this junction box because it eliminated all the messy wires outside of by bike. Now it's all cleaned up and I can charge my battery right from my handlebar end without the ugliness!
C**R
Super convenient and worth the wiring hassle
Once you figure out how you're going to run your wires this gem makes your installation very clean. No need to hang that rectangular Junction A under your bars.
T**.
Direct Replacement
I broke the charging port and needed to replace it. Shimano brand = shimano pricing but it was easy to install and worked perfectly.
G**Y
Speedy
Product came in original manufacturing packaging and box. Shipping was fast and arrived a day earlier, best price that I could find online. Thank you!
R**H
Good but......
Way cleaner than the old junction box. However, I did have to drill a hole in my handlebar.
W**O
Excelente 👌
Sin inconvenientes
O**I
Cheapest price
Brand new in the package with the cheapest price that I could find online or local!
J**A
Perfect!
Excellent!!
A**S
shimano
Che dire .......shimano... sempre una garanzia :)))
T**T
Great price
Excellent price, just what I needed to finish off my bike
V**Z
Funciona perfecto
Quería cambiar de traer la junction box de la potencia a el manubrio para mejor estética y todo funciona perfecto, el empaque llego en perfecto estado y un poco antes de lo planeado, excelente vendedor
X**Y
Centralita para Shimano Di2
Esta centralita la he comprado para sustituir la anterior que tenía bajo la potencia. Esta nueva versión no hace nada distinto de la otra, salvo que por tamaño, da la posibilidad de ponerla en el tubo del manillar, o como en el caso mío en el tubo inferior del cuadro Pinarello F10 que viene con un alojamiento especial para ponerlo.
ミ**ト
内装化
外装から内装化はこれのお陰で簡単でした！
Trustpilot
3 weeks ago
1 week ago