Shimano SM-JC40 / SM-JC41 Junction Box for Di2

Shimano Junction Box SM-JC40 / SM-JC41 for Di2 - With 4 E-Tube connections

The 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 groupsets from Ultegra Di2 6770 and before Dura-Ace R9250 or Ultegra R8150. SM-JC40 is for external, SM-JC41 for internal cable routing.

Information regarding the return of batteries and electrical equipment:

Information on the return and disposal of batteries and electrical equipment can be found here.

Technical Information:

Number of E-Tube Ports:

4

Number of E-Tube Connections:

0

Compatibility:

• Dura-Ace Di2 9070
• Dura-Ace Di2 R9150
• Ultegra Di2 6770
• Ultegra Di2 6870
• Ultegra Di2 R8050
• GRX Di2 RX815
• Alfine / Nexus Di2
• XTR Di2 M9050*
• XT Di2 M8050*

* instead of SM-BTC1 battery mount

Features:

• junction for the bottom bracket area

Models:

external:

Type:

for external cable routing (mounted on frame w/ bolts)

Type:

SM-JC40

Manufacturer Number:

I-SMJC40

internal:

Type:

for internal cable routing

Type:

SM-JC41

Manufacturer Number:

I-SMJC41

Contents:

• 1 x Shimano Di2 SM-JC40 junction box or SM-JC41

• universal/external: 9 g
• universal/internal: 4 g

Shimano Europe B.V.
High Tech Campus 92
5656 AG Eindhoven
Netherlands
info@shimano-eu.com