Gomadic Bike Handlebar Holder Mount System suitable for the Garmin Zumo 400 - Unique Holder; Lifetime Warranty
RAM® Brake/Clutch Reservoir Mount for Garmin zumo 400-660 - Medium – RAM Mounts
Amazon.com: Gomadic Coiled Power Hot Sync USB Cable for The Garmin Zumo 400 with Both Data and Charge Features - Uses TipExchange Technology : Electronics