The adjustable-width MIK (Mounting Is Key) Carrier Plate is the perfect solution for upgrading your traditional bike rack with MIK's unique keyed install system, providing both security and convenience. This adapter easily mounts to most racks, allowing you to securely attach MIK-compatible bags and help deter theft, while still making it simple for you to remove them when needed. The plate is designed with an adjustable mounting width, ranging from 100mm to 170mm, ensuring a perfect fit for most racks. With just four bolts, it securely mounts in place, and all necessary hardware is included for a hassle-free installation. Whether you're commuting or touring, this adapter enhances your bike's functionality by combining ease of use with superior security for your gear.