Shimano SM-JC41 Junction Box For Di2 - Internal
Seamless Internal Junction for Di2 Electronic Systems
Shimano SM-JC41 Junction Box For Di2 - Internal is backordered and will ship as soon as it is back in stock.
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Shimano SM-JC41 Junction Box For Di2 - Internal is backordered and will ship as soon as it is back in stock.
The Shimano SM-JC41 Junction Box is a key component of your internally routed Di2 setup. Designed to be hidden within the bike frame, this junction keeps your electronic cabling organized and out of sight for a clean and professional look.
Central Connection Hub: This internal junction serves as the central point for all EW-SD50 cables connecting your Di2 system—linking the battery, derailleurs and shift levers. It ensures reliable communication between components, supporting seamless electronic shifting performance.
Discreet and Frame-Compatible: Generally positioned inside the seat tube or down tube via the bottom bracket shell, the SM-JC41 remains completely out of view. It’s engineered for use in compatible frames with internal routing and provides a secure, vibration-resistant cable junction.
Reliable, Lightweight Performance: Built with precision and trusted Shimano engineering, the SM-JC41 adds minimal weight while delivering essential functionality. Whether upgrading or building a Di2 bike from scratch, it’s an indispensable part of a clean, integrated electronic drivetrain.
The SM-JC41 is compatible with a wide range of Di2 series, including Dura-Ace 9070, Ultegra 6870/6770, XTR 9050, XT 8050 and Alfine/Nexus Di2 systems.
Product details
Specifications
Specifications
| Type | Internal Junction Box |
|---|---|
| Ports | 4 x EW-SD50 Ports |
| Compatibility | Dura-Ace 9070, Ultegra 6870/6770, XTR 9050, XT 8050, Alfine Di2, Nexus Di2 |
| Not compatible with | Dura-Ace 7970 |
Features
Features
Warranty and support
Warranty and support
Covered by the manufacturer's warranty. Warranty claims go through us and we deal with the brand for you.
Questions after delivery? Ask TBA Guide or WhatsApp us.
Shipping and returns
Shipping and returns
We ship across India. Shipping is free on orders above ₹2,000 and ₹99 below that. Cash on delivery is available on orders up to ₹20,000, with a COD charge that depends on the order value. For a delivery estimate, enter your pincode in the box above the add-to-cart button: it shows the courier's own estimate for your address, not a promised date. If a parcel is held up we chase the courier until it is delivered. Full shipping policy
Most Shimano products take a little longer to ship.
Returns can be started within 7 days of delivery on unused items in their original condition with all tags and packaging. Apparel, helmets, gloves and similar items are returnable; wetsuits and products discounted by more than 5% are not. Compatibility questions are not grounds for a return unless our listing was wrong, so ask us before you order if you are unsure. Return shipping is arranged by you; on an accepted return you can choose an exchange, store credit or a refund after shipping and transaction charges. Orders can be cancelled only until they are processed. Full return and refund policy
