Email this product to yourself
your price $33.00
Buy PART NUM 657953
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/
Shimano EW-JC302 Di2 Junction Box - 2 Ports, Use With EW-SD300 your price $33.00
Buy
Usually ships in 2-3 business days
"Shimano practices good local citizenship, pursues continued access to those areas that are enjoyed by outdoor enthusiasts, and is committed to minimizing our impact on the environment."
See all Shimano
You are browsing an Industry Catalog. We've simply republished information exactly as we got it from our supplier without curating or improving it. The product names, descriptions, and photographs within this expanded catalog have not been reviewed and may contain industry short-hand and technical jargon. Please carefully study each product before you place your order. learn more