Yakima’s new 39H MightyMount Adapters are made to secure round/square bar only gear mounts to the new CoreBar and JetStream crossbars. If you are one of Yakima’s long-time users upgrading your ride with a new StreamLine Base Rack System, these adapters will allow you to continue using your favorite mounts.
- Durable and flexible nylon adapters designed specifically for CORE and JETSTREAM crossbar shapes
- Allows most RoundBar style mounts to attach in minutes
- Tool free installation
- Compatible with High Roller, Raptor, WheelFork, HullyRollers, Mako Saddles, KayakStacker, Multimount, Accessory Lock Housing and Basketcase
- Sold as a set of 4