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Fellas keep an eye on those alloy E13 espec crank arms. Mine needed replacing as they kept coming loose but I didn't realize the damage until I went to install the new set. Bosch says they haven't seen this before. The driveside arm killed the spindle circlip. I only found a small piece of it...

I'm a long time mtb guy and professional bike mechanic for 20+ years. 43 years young and I've converted completely to ebikes the past year and will probably stay with them from here on out. I also commute to work by ebike and try not to drive cars. Currently riding a MY19 Trek Powerfly 9.7LT.