Skip to content
  • 🛍️ Shop now and get 20% off your entire purchase💃🏻
  • 🛍️ Shop now and get 20% off your entire purchase💃🏻
Braking Sales ShopBraking Sales Shop
  • Menu
    • No products in the basket.

      Return to shop

  • Basket

    No products in the basket.

    Return to shop

  • Frameset Spares
    • Dropouts & Derailleur Hangers
    • Chainstays
    • Seatstays
    • Cable Guides
    • Linkage Sets
    • Swingarms
    • Frame Protection
    • Chainstay Protectors
    • Bearing Kits
    • Bolt Kits
    • Lock Out Levers
    • Geometry Chips
    • Di2 Spares
  • Transmission
    • Chainrings
    • Bottom Brackets
    • Cassettes
    • Chains
    • MTB Chainsets
    • Chain Devices
    • Rear Derailleurs
    • Road Chainsets
    • Jockey Wheels
    • MTB Gear Shifters
    • Road Gear Levers
    • E-Bike Chainsets
    • Front Derailleurs
    • Electronic Transmission
  • Braking
    • Disc Brakes
    • Brake Spares
    • Disc Brake Pads
    • Disc Brake Rotors
    • Rim Brake Pads
    • Brake Levers
    • Caliper Brakes
    • V-Brakes
    • Cantilever Brakes
  • Seatposts
    • Carbon Seatposts
    • Dropper Seatposts
    • Alloy Seatposts
  • Pedals
    • Flat Pedals
    • MTB Clipless Pedals
    • Road Pedals
Home / Transmission / Electronic Transmission
  • Demolition Markit Guard BMX Sprocket -Braking Sales Shop 1642074377 01516800
  • Scott E-Sub/E-Sportster 44T Chainring And Chainguard (2011) -Braking Sales Shop 1633963795 69908500
-30%
Shimano Di2 EW90A 3-Port Junction Box

Shimano Di2 EW90A 3-Port Junction Box

£110.74 Original price was: £110.74.£77.52Current price is: £77.52.

Buy Now
SKU: SMEW90A Categories: Electronic Transmission, Transmission Tags: Electronic Transmission, Shimano
  • Uncompromising quality, every time.
  • Your needs, our top priority.
  • Quality at its Finest
  • Quality You Can Trust
Browse
  • Braking
    • Brake Levers
    • Brake Spares
    • Caliper Brakes
    • Cantilever Brakes
    • Disc Brake Pads
    • Disc Brake Rotors
    • Disc Brakes
    • Rim Brake Pads
    • V-Brakes
  • Frameset Spares
    • Bearing Kits
    • Bolt Kits
    • Cable Guides
    • Chainstay Protectors
    • Chainstays
    • Di2 Spares
    • Dropouts & Derailleur Hangers
    • Frame Protection
    • Geometry Chips
    • Linkage Sets
    • Lock Out Levers
    • Seatstays
    • Swingarms
  • Pedals
    • Flat Pedals
    • MTB Clipless Pedals
    • Road Pedals
  • Seatposts
    • Alloy Seatposts
    • Carbon Seatposts
    • Dropper Seatposts
  • Transmission
    • Bottom Brackets
    • Cassettes
    • Chain Devices
    • Chainrings
    • Chains
    • E-Bike Chainsets
    • Electronic Transmission
    • Front Derailleurs
    • Jockey Wheels
    • MTB Chainsets
    • MTB Gear Shifters
    • Rear Derailleurs
    • Road Chainsets
    • Road Gear Levers
  • Uncategorized
  • Description
  • Reviews (0)
  • The removal of traditional mechanical cables in favour of electrical wires not only eliminates poor shifting caused by contaminates, corrosion and stretching, but provides effortless gear shifts
  • This junction A is required to connect the shifters via E-tube wires to the down tube junction wire
  • 5-port design, one for down tube wire to bottom bracket junction, four for shifter connection. Ideally suited for TT/triathlon with multiple shifter positions
  • Battery level indicator feature
  • E-tube EW-SD50 wires not included
  • Additional charging point when using internal battery
  • Gear index setup switch to allow fine tuning via shifter buttons
  • Reliable and secure water resistant connectors
  • Stem mounting strap included

Reviews

There are no reviews yet.

Be the first to review “Shimano Di2 EW90A 3-Port Junction Box” Cancel reply

Related products

-30%
Shimano K04S Metal Brake Pads
Quick View

Shimano K04S Metal Brake Pads

£21.47 Original price was: £21.47.£15.03Current price is: £15.03.
-30%
Shimano XT M8100 Brake Lever
Quick View

Shimano XT M8100 Brake Lever

£53.11 Original price was: £53.11.£37.18Current price is: £37.18.
-30%
Shimano GRX RX810 Flat Mount Brake Caliper
Quick View

Shimano GRX RX810 Flat Mount Brake Caliper

£75.71 Original price was: £75.71.£53.00Current price is: £53.00.
-30%
Shimano Altus MT200 Post Mount Disc Brake Caliper (Front Or Rear)
Quick View

Shimano Altus MT200 Post Mount Disc Brake Caliper (Front Or Rear)

£14.69 Original price was: £14.69.£10.28Current price is: £10.28.
-30%
Shimano 105 R7170 Flat Mount Brake Caliper
Quick View

Shimano 105 R7170 Flat Mount Brake Caliper

£70.06 Original price was: £70.06.£49.04Current price is: £49.04.
-30%
Shimano B03S Resin Brake Pads
Quick View

Shimano B03S Resin Brake Pads

£7.91 Original price was: £7.91.£5.54Current price is: £5.54.
-30%
Shimano MT501 Brake Lever
Quick View

Shimano MT501 Brake Lever

£35.03 Original price was: £35.03.£24.52Current price is: £24.52.
-30%
Shimano SLX M7100 Replacement 2 Pot Brake Caliper
Quick View

Shimano SLX M7100 Replacement 2 Pot Brake Caliper

£35.03 Original price was: £35.03.£24.52Current price is: £24.52.
MY ACCOUNT
  • Cart
  • Checkout
  • My account
  • Wishlist
ABOUT US
  • About Us
  • FAQ
  • Returns & Exchanges
  • Delivery
  • Contact Us
LEGAL
  • Privacy Policy
  • Payment Method
  • Shipping Policy
  • Term and Conditions
Signup for Newsletter

Sign up for exclusive offers, original stories, events and more.

    Copyright 2025 © www.newbikegearonsale.com
    • Frameset Spares
      • Dropouts & Derailleur Hangers
      • Chainstays
      • Seatstays
      • Cable Guides
      • Linkage Sets
      • Swingarms
      • Frame Protection
      • Chainstay Protectors
      • Bearing Kits
      • Bolt Kits
      • Lock Out Levers
      • Geometry Chips
      • Di2 Spares
    • Transmission
      • Chainrings
      • Bottom Brackets
      • Cassettes
      • Chains
      • MTB Chainsets
      • Chain Devices
      • Rear Derailleurs
      • Road Chainsets
      • Jockey Wheels
      • MTB Gear Shifters
      • Road Gear Levers
      • E-Bike Chainsets
      • Front Derailleurs
      • Electronic Transmission
    • Braking
      • Disc Brakes
      • Brake Spares
      • Disc Brake Pads
      • Disc Brake Rotors
      • Rim Brake Pads
      • Brake Levers
      • Caliper Brakes
      • V-Brakes
      • Cantilever Brakes
    • Seatposts
      • Carbon Seatposts
      • Dropper Seatposts
      • Alloy Seatposts
    • Pedals
      • Flat Pedals
      • MTB Clipless Pedals
      • Road Pedals
    • Login

    Login

    Lost your password?

    Register

    Your personal data will be used to support your experience throughout this website, to manage access to your account, and for other purposes described in our privacy policy.