Just for clarity, PowerSense is roughly 93mm long and 9mm in height. From the crank toward the chainstay, PowerSense power meter is approx 10mm, so you’ll probably need 10-11mm in clearance.
We know this is only a short update, but hopefully very informative. If not, just give us a shout and we’ll be more than happy to clear anything up for you.
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‘Til next time…