Quarq dfour will work with the rings... You could hen use all your carbon rings..
£812 @ powermeters 24
Will be ordering one in the next few days...
Rings aren't the issue - I have two sets already and would need to buy compact ones, it's the arms that are the expensive bit and I already have DA9000 arms.
This is for the ultra bike not the TT bike.
@Sainsburys_Ed started
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Quarq dfour will work with the rings...
You could hen use all your carbon rings..
£812 @ powermeters 24
Will be ordering one in the next few days...