- Bikes
-
Accessories
- Bags & panniers
- Baskets
- Batteries
- Bells & horns
- Bike care & maintenance
- Bike racks
- Brake fluid
- Child seats & kids accessories
- Computers & cameras
- Handlebar tape & grips
- Kick stands
- Lights
- Locks
- Mudguards
- Nutrition
- Phone case/headphone
- Pumps
- Rider comfort & safety
- Tools
- Training wheels
- Tubeless valves & sealants
- Water bottle & cages
- Wind trainers
- Parts
- Helmets
- Clothing
- Service
- Sale
- About
- Contact
Shimano EW-JC304 4 Port Junction SD300
The Shimano EW-JC304 4 Port Junction SD300 is a versatile and essential component for your electronic shifting system. With the ability to connect up to 4 Di2 components, this junction box allows for seamless communication between your battery, shifters and derailleurs.
Compatible with SD300 wires
Thanks! We will notify you when this product becomes available!
