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R3 2017 Disc Di2 Upgrade

Last post 09-07-2020 6:40 PM by wwwc9. 2 replies.
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  • 08-25-2020 6:38 AM

    R3 2017 Disc Di2 Upgrade

    One of my shifters has broken and thinking of using this as an excuse to upgrade to Di2. The only thing that puts me off is removing the BB as I've only just replaced it for a Ceramic speed and don't really want to risk taking it back out and damaging. Has anyone upgraded without removing BB, will the Junction box B fit into the downtube if I remove the cable guide below BB? Thanks Andy
  • 08-27-2020 2:21 PM In reply to

    Re: R3 2017 Disc Di2 Upgrade

    I don't think you'll need to remove the BlackBerry. The wires should still pass though it. I had no issues in my S2
    Rideurbike
  • 09-07-2020 6:40 PM In reply to

    Re: R3 2017 Disc Di2 Upgrade

    I believe you can work around it and don’t have to take of the bb. I bought a jag wire internal route magnet tool on eBay that helped a lot.
    S3 Di2 ultegra Reynolds assault
    R5 vwd Sram Force 22
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