Yakima 39H Horizontal MightyMount is designed to adapt certain older mounts to JetStream and CoreBars.

• Durable and flexible nylon adapters designed specifically for CORE and JETSTREAM crossbar shapes
• Sold as a set of 4
• Compatible with HighRoller, Raptor, WheelFork, HullyRollers, Mako Saddles, KayakStacker, Multimount, Accessory Lock Housing, and Basketcase