Skip to main content
We may get paid by partner for deals, including promoted items

Menu

Trending
Top Brands Palmetto State ArmoryHot Yeti CoolerDeal NatchezDeal SitkaDeal 5.11Sale Winter Clearance Amazon Pickleball Sale Amazon FitnessHot Stores
Shimano EW-JC302 Di2 Junction Box - 2 Ports by Shimano -

Product Description

Shimano Di2 Frame Junction BoxFrame Junction Box connects via SD50 E-tube wires to four different points: front derailleur, rear derailleur, cockpit junction box and battery mountAll Di2 components on the bicycle require the same firmware version. Using Di2 components with different firmware versions may cause malfunctionsUse Di2 system checker to update component firmware from http://e-tubeproject.shimano.com/

Shimano EW-JC302 Di2 Junction Box - 2 Ports

at Angry Catfish Bicycle
Browse all Angry Catfish Bicycle deals
$21.99
In Stock at Angry Catfish Bicycle
Price verified 2d ago
Buy Now at Angry Catfish Bicycle
Secure checkout Easy returns
or compare prices
Amazon logo Amazon eBay logo eBay

Product Details

Brand Shimano
MPN IEWJC302
Shimano

More from Shimano

Angry Catfish Bicycle
Last Updated:
Oct 26, 2026 06:15 AM
Shimano EC-DN100A Battery Charger - Includes Charging Cord Shimano EC-DN100A Battery Charger - Includes Charging Cord View Details
$45.00
Buy Now · $45.00
Angry Catfish Bicycle
Angry Catfish Bicycle
Last Updated:
Oct 26, 2026 06:15 AM
Shimano STEPS Battery Charger EC-E8004-2 Shimano STEPS Battery Charger EC-E8004-2 View Details
$235.00
Buy Now · $235.00
Angry Catfish Bicycle
Angry Catfish Bicycle
Last Updated:
Oct 26, 2026 06:15 AM
Shimano EW-EC300 Charging Cable - For Dura-Ace/Ultegra 12-Speed Di2 Systems Shimano EW-EC300 Charging Cable - For Dura-Ace/Ultegra 12-Speed Di2 Systems View Details
$64.00
Buy Now · $64.00
Angry Catfish Bicycle
Angry Catfish Bicycle
Last Updated:
Oct 26, 2026 06:15 AM
Shimano EW90-A Di2 Cockpit Junction Box 3-Port/ not for Flight Deck Shimano EW90-A Di2 Cockpit Junction Box 3-Port/ not for Flight Deck View Details
$111.99
Buy Now · $111.99
Angry Catfish Bicycle
Angry Catfish Bicycle
Last Updated:
Oct 26, 2026 06:15 AM
Shimano EW-JC304 Di2 Junction Box - 4 Ports, Use With EW-SD300 Shimano EW-JC304 Di2 Junction Box - 4 Ports, Use With EW-SD300 View Details
$34.00
Buy Now · $34.00
Angry Catfish Bicycle
Angry Catfish Bicycle
Last Updated:
Oct 26, 2026 06:15 AM
Shimano BT-DN110 Di2 Battery Shimano BT-DN110 Di2 Battery View Details
$200.00
Buy Now · $200.00
Angry Catfish Bicycle
Angry Catfish Bicycle
Last Updated:
Oct 26, 2026 06:15 AM
Shimano BT-DN300 Di2 Battery Shimano BT-DN300 Di2 Battery View Details
$220.00
Buy Now · $220.00
Angry Catfish Bicycle