Shimano SM-JC40 / SM-JC41 Junction Box for Di2
Shimano Junction Box SM-JC40 / SM-JC41 for Di2 - With 4 E-Tube connectionsThe Shimano junction box SM-JC40 or SM-JC41 for Di2 has four E-Tube connections and is used as the junction B mounted in the bottom bracket area. It can be used for all electronic gr
$15.19
$18.99
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