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Shimano EW-JC304 Di2 Junction Box - 4 Ports, Use With EW-SD300

Shimano EW-JC304 Di2 Junction Box - 4 Ports, Use With EW-SD300
$28.99
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Thank you for using Bicycles NYC for your cycling needs. We will contact you when your purchase is available for pick-up. Call 212-794-2929 or email Info@BicyclesNYC.com for additional details. REMINDER: Bicycles sales will incur a surcharge associated with a wide range of warranty related expenses. The surcharge will appear as a "shipping charge" at checkout. Children's Bikes - $35. Adult Bikes - $50, and all Electric Bikes - $150. 

Details

Shimano Di2 Frame Junction Box

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

Part Numbers

UPC MPN Store SKU
192790597195 IEWJC304 210000041110

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