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Shimano SM-JC40 Di2 External Frame Junction Box 4-Port ModelNumber=E3644 Material: 6061 T6 aluminum with CR1469 mm 36 Spring Weight Size:BBS4612 – 12 notch 46mm MFPN=43512

USD37.00 USD75.00

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Ships within 48 hours · Estimated delivery Sep 27 - Oct 2

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Shimano SM JC40 Di2 External Frame Junction Box 4 Port ModelNumber=E3644 Material: 6061 T6 aluminum with CR1469 mm 36 Spring Weight Size:BBS4612 – 12 notch 46mm MFPN=43512 Material: 6061 T6 aluminum with Delrin axle • Works with round or oval chainrings

Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy

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