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Hi, I'm in the process of installing a new 105 Di2 groupset to my road bike and in the box box with the new caliper was this? Does anyone know what it is? It's about the size of a barb but has a sealed end and is plastic. First thought was some kind of hose plug?
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Could it be for plugging the hose to prevent too much fluid loss whilst threading through frame or forks?
Possibly to put in the redundant through frame cable routing hole, if there is one?
edit - wheels’ suggestion is better than mine.
I was wondering that, I tried to get it into the old hose but it's didn't fit. Internal routing is threatening to be my downfall, it was ok last time as I worked from the headtube down, this new set some pre-plumbed into the caliper and trying to do it from that end is much harder!
I'm just about to do a similarly routed cable and plan to feed a gear cable with a ferrule down the frame. Then I can hopefully plug the hose into the ferrule and use the cable to pull it back up.
I realise as I'm typing that I'm giving advice I haven't tried though.
Ha, cheers. I literally just watch a YouTube vid where someone did exactly that. Think I might give it a try in a bit. I'll let you know how it goes.
I've come to conclusion the item in the original question is surplus to requirements as I can't find details of it anywhere
I feel your pains.
Have been threading an FSA ACR handlebar, struggled to get the brake hose out to the shifter.
In the end I used a cable tie to hook the hose out and twisted it to a spoke for leverage to pull it through.
The only reason I had a spoke was to hook the di2 battery out of the seatpost 🤯🤯.
Can't help I'm afraid but I did have the first ride on my new Defy with 105 Di2 this afternoon. The gears are mint and the brakes are phenomenal.
Things to look forward to!
I can report back that the shift cable with ferrule worked a treat on the front hose. I actually gave up and came my sense in the rear hose and dropped the forks out. After doing that it was a 2 minute job.
So hoses all pulled through but not yet connected to shifters as saving resizing those for another day.
Looking forward to seeing how the shifting is, it had 11spd 105 before which was pretty nice but this was a bargain groupset so the road bike is getting this and the 11speed is replacing the 10 year old 105 on the gravel bike
Hard to see from the pic but looks like a Di2 plug to blank off unused ports ?
the shifters have a cable connector under the hoods
Thanks orangeboy but it's smaller diameter than a Di2 blanking plug. As I say, I've decided it's surplus for the time being. I've reverse image searched, looks on parts lists and fine through the SJS spares page and can't see it on there.
Is it a blanking plug for the end of the Di2 cable?
I know on some triathlon installs people leave an "extra" cable for attaching to remote shifters etc But leaving a flailing and unplugged cable end isn't ideal...
<p style="text-align: left;">Right, Orangeboy and Meet have it, apparently it's a blanking plug for the shifter if you decide not to wire them in. It's a different type to the dummy plug on the battery so had me confused. It was also in a bag with the olive and not with the cables so further confusion.</p>
Cheers all