Amazon.com: Band for Garmin Forerunner 55, Quick Release Band Replacement for Garmin Forerunner 158 / Forerunner 55 (No Tracker, Replacement Bands Only) : Electronics
Need Garmin Express to update F55? : r/GarminWatches
Compatible For Garmin Approach S40/Forerunner 245/F55/645 /Vivomove HR/Luxe/Style/Venu/Venu SQ/Vivoactive 3/Music/Strap Replacement Metal Mesh Band Wrist Stainless Steel Loop Magnetic (Black) : Amazon.co.uk: Electronics & Photo