This shim allows you to mount any clamp made for 30mm handlebar tube onto the 25mm Ronin-M/MX, PRO-Ring or MōVI handlebar tube.
It will let you use your existing accessory clamps or parts from a 30mm tube on your Ronin-M/MōVI/Ring  handlebar. Available in 1″ or 2″ size. (2″ size also used on PRO-Ring setups)