Shimano 5700 hubs and 11 speed

Hi,
I'm thinking of building a Kinesis 4S with the new Shimano 5800 11 speed groupset. I currently have a pair of Excellights on Shimano 5700 hubs that I'd like to transfer over.
Does anyone know, other than having the rear re-built onto a 5800 hub, if there's any way to use them on an 11 speed bike?
Thanks in advance
I'm thinking of building a Kinesis 4S with the new Shimano 5800 11 speed groupset. I currently have a pair of Excellights on Shimano 5700 hubs that I'd like to transfer over.
Does anyone know, other than having the rear re-built onto a 5800 hub, if there's any way to use them on an 11 speed bike?
Thanks in advance
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