RAM Garmin Cradle - eTrex 10, 20 & 30 with U-Bolt Handlebar Base
Amazon.com: DigiCharge Mount Holder for Garmin eTrex 10 20 20x 30 30x Touch 25 35 Bracket for Mounting On to Bike Handle Bar Golf Trolley Buggy etc. : Electronics
Etrex 20 30 Differences - YouTube
eTrex 32x versus eTrex 30 screen contrast : r/Garmin
New Garmin eTrex 22x and 32x GPS Devices - BIKEPACKING.com