Bontrager-Electra MIK Bike Rack Carrier Plate

Add versatility to your rack with MIK
The adjustable-width MIK (Mounting is Key) Adapter Plate mounts easily to most racks, giving you all the benefits of MIK's unique keyed install system. This adapter allows you to secure MIK-compatible bags to your rack to help deter theft, while ensuring it's still easy for you to remove them when you need to. Hardware included.

Product details
Adds MIK compatibility to traditional bike racks
Securely mounts with just four bolts
Adjustable mounting width from 100 mm to 170 mm to fit most racks