CSH10653_LH_01 CSH10653_LH_02
SKU: CSH10653

Shimano Di2 Junction-B SM-JC40 for External Wire Routing

Condition: NEW
Regular price

$32.99

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About this item

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/
-Mounts underneath the bottom bracket shell

Product is New.

Specifications

Brand Shimano
Model Junction-B SM-JC40
QUALITY YOU CAN TRUST

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