<https://bikerumor.com/srm-pm9-powermeter-spiders-add-oval-ring-compatibility-ditch-the-cadence-magnets/>
<http://schema.org/description>
"SRM's latest spider power meter adds more compatibility and improved user-friendliness for more frames, cranks, and chainrings."
<https://bikerumor.com/srm-pm9-powermeter-spiders-add-oval-ring-compatibility-ditch-the-cadence-magnets/>