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How to downgrade to Shimano motor firmware version 4.3.2 with eTube 3.4.5 software to be able to modify your bike with the eMax
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Amazon.com : BIKE HAND eBike Bottom Bracket 16-Notch Lockring Install Removal Tool Compatible with Shimano Steps E6100, E7000, E8000 : Sports & Outdoors
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E-BIKE E-MTB TUNING KIT PearTune for Shimano STEPS E8000, E7000, E6100, E5000 with Di2 – Two Wheels Empire
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