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Search here...
Bike Accessories
Components
- Stems
- Handlebars
- Handlebar Tape - Grips
- Pedals
- Tyres
- Seatpost
- Wheels
- Saddles
- Headsets - Spacers
- Suspensions
- Drivetrain - Groupsets
- Altro
- Tutto Cycling →
Inner Tubes
City - Trekking
Fat Bike
Gravel
MTB
e-Kick Scooter
Sealants - Tubular Glue - Puncture Repair
Urban
Tubeless Valve
Vedi tutto Tyres →
Accessories - Spares
Cerchi
e-Bike
Fat Bike
City - Trekking
Fixed
MTB
Gravel
Road
E-Bike MTB Wheels
Vedi tutto Wheels →
Colnago
Easy
Leonardi Racing
SR Suntour
RT Parts
Cane Creek
DT Swiss
Fox Racing Shox
Magura
RMS
Rock Shox
SKF
WAG
Sram
Vedi tutto Suspensions →
Mountain - Outdoor Equipment
- Accessories
- Poles
- Kitchen
- Body Care
- Power
- Lighting
- Sleeping Mats
- Sleeping Bags
- Tents
- Tutto Outdoor →
Accessories - Spares
Hammocks
Self-Inflating Pads
Cots
Inflatable
Foldable
Vedi tutto Sleeping Mats →
Vertical Works
- Accessories
- Anchors
- Fall Arrests
- Stretchers
- Rope Clamps
- Pulleys
- Helmets
- Ropes
- Lanyards
- Crashpad
- Descenders
- Harnesses
- Rescue Kits
- Carabiners - Quickdraws - Quick Links - Slings
- Ice Axes
- Crampons
- Rope Bags - Accessories
- Kit Via Ferrata
- Lighting
- Tutto Outdoor →
Rock Anchors
Anchor Straps
Accessories - Spares
Rock and Caving Anchors
Ice Anchors
Rigging Equipment
Tree Care
Rigging Plate
Vedi tutto Anchors →
Rope Clamps for Progression - Accessories
Versatile Rope Clamps
Rope Clamps
Accessories - Spares
Vedi tutto Rope Clamps →
Single Pulleys
Prusik Pulleys
Haul KIt
Specialized Pulleys
Pulleys Rope Clamps
High-Efficiency Pulleys
Pulley-Carabiners
Transport Pulleys
Vedi tutto Pulleys →
Hiking - Cords
Accessories - Spares
Dynamic Single Ropes
Low Stretch Kernmantel
Dynamic Half Ropes
Professional Ropes
Vedi tutto Ropes →
Helivac Lanyard
Tree Care Lanyards
Lanyard for Work Positioning
Energy Absorbers
Hyperstatic Cord
Vedi tutto Lanyards →
Climbing - Mountaineering
Fall Arrest - Work Positioning - Suspension
Rescue Harnesses
Kids
Accessories - Spares
Canyoning
Chest Harnesses
Caving
Special Purpose Harnesses
Tree Care Harnesses
Vedi tutto Harnesses →
Accessories - Leashes
Crampons for Ice Climbing
Technical Mountaineering
Classic Mountaineering
Vedi tutto Ice Axes →
Bike Sport Adventure
Cycling
Running
Outdoor
Other Sports
Tech
Automotive
Cycling
Bike
e-Bike
Cycling Clothing
Cycling Shoes
Bike Accessories
Cyclist Accessories
Components
Bike Maintenance
Nutrition
Cycling Toiletries
Car Bike Racks
Bike
Cycling Clothing
Bike Accessories
Cyclist Accessories
Components
Bike Maintenance
Car Bike Racks
Running
Running Clothing
Running Footwear
Poles
Running Sunglasses
Nutrition
Backpacks - Waistepacks
Running Clothing
Backpacks - Waistepacks
Outdoor
Outdoor - Lifestyle Clothing
Outdoor Footwear
Mountain - Outdoor Equipment
Vertical Works
Urban - Travel
Luggage - Backpacks
Nutrition
Outdoor - Lifestyle Clothing
Outdoor Footwear
Mountain - Outdoor Equipment
Vertical Works
Luggage - Backpacks
Other Sports
Climbing
Home Fitness
Swim
Fishing
Ski - Snow
Tactical - Task Force
Tennis - Padel
Tech
Watches - Cycle Computers - Locators
Audio - Video - Photo - Radio
Cartography - Orienteering
Muscle Stimulators
Locators
Powermeter
Watches - Cycle Computers - Locators
Audio - Video - Photo - Radio
Cartography - Orienteering
Muscle Stimulators
Cargo Carriers - Baskets
Shimano Junction-A (Di2 Spec.) SM-EW90-A External Type
SHIMANO's SM-EW90-A 3-port Junction A mounts neatly to the bike stem and connects with E-TUBE wires from DI2 shifters and the downtube junction wire. The SM-EW90 junction box features an integrated battery level indicator, charging port, and gear index setup switch.
ISMEW90A
Data sheet
- Code
- SH18
- Compatible with
- Shimano
- Type
- Other
No customer reviews for the moment.
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Who it is for and how to use it
Ideal for
Cyclists with Shimano Di2 electronic shifting
Designed for Di2 system management, with direct connection to the E-TUBE cables of DI2 shift controls and the down tube junction wire.
Those who want charging and adjustment control from the handlebar
Integrates a battery charge level indicator, a charging port and a gear indexing adjustment switch.
Those looking for a neat Di2 control unit on the handlebar stem
Mounted on the handlebar stem, it concentrates the main system functions in one central point.
Use cases
Ideal
Centralised Di2 system management
Brings the Di2 system control functions together in one place, with battery indicator, charging port and indexing adjustment.
Di2 · Battery indicator · Charging port
Very suitable
Wiring with E-TUBE shift controls
Connects to the E-TUBE cables of DI2 shift controls and to the down tube junction wire.
E-TUBE cables · DI2 shift controls · Junction wire
Very suitable
Installation on the handlebar stem
Mounted on the handlebar stem, with a convenient position for use and control of system functions.
Handlebar stem · Mounting · Di2
Who it is for
Cyclist with Shimano Di2 electronic drivetrain
- Looks for
- A 3-port control unit for Di2 system management.
- Why
- The SM-EW90-A centralises the main functions and connects to the E-TUBE components of the system.
Frequently asked questions
What is the Shimano SM-EW90-A 3 Port used for?
It is used for Di2 system management. It integrates control functions such as battery indicator, charging port and gear indexing adjustment.
Which connections is it compatible with?
It is compatible with the E-TUBE cables of DI2 shift controls and with the down tube junction wire.
Where is it mounted?
It is mounted on the handlebar stem.
Does it have a battery indicator?
Yes, it has an integrated battery charge level indicator.
Does it allow system charging?
Yes, it is fitted with a charging port.
Show all (6)
Does it allow gear indexing adjustment?
Yes, it includes a gear indexing adjustment switch.
Information prepared by the BSA team with the support of AI, based on the manufacturer's specifications.