Hey, Alex! This particular bike rack is not currently compatible with any extension to expand its bike carrying capacity. We recommend taking a look at the Curt Tray-Style Platform 4 Bike Rack if you are looking for a similar rack that holds 4 bikes. Thank you!
Questions & Answers (2)
Hi, William! The Yakima HoldUp includes a hitch lock and keys to secure the rack to the hitch. Thanks for asking!