This is simply because this E-Bike has a battery within the stem and will not accept long bottle holder bolts.
Bike Silicone Case Holder for For AIRTAG Anti Lost Mount Cover Waterproof Use
ReFind Airtag Bike Bell. Hidden Bike Airtag holder for Apple Airtag and P09
ReFind Airtag Bike Reflector. Hidden Bike Airtag holder for Apple Airtag and P09
APPLE AIRTAG BIKE SECURITY THEFT TRACKER UNDER SEAT / SADDLE MOUNT CASE HOLDER
Airtag Under-Bottle Bike/Cycle Mount with Secure Hex Bolts & Key MKII
