Stages Power Meter for Shimano 105 Crank

Edstar22
Edstar22 Posts: 4
edited April 2015 in Road buying advice
Hello,

Just bought 105 (5800) group and would like to buy a Stages Power meter.

The only one that seems to exist is a 5700 version. Will this be compatible with my 5800 crank? Are the crank arms the same in both incarnations?

Thanks

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