Product Info It’s Simple. It’s Effective. It’s your Bead Bro.Holds the bead down in the rim channel, allowing you to use both hands to complete the remainder tire installation. It’s like having a third hand.Locks bead to the rim using a rubber bumper. Won’t scratch or damage your rim.Fits rims up to 40mm wide. Select from multiple spoke holder channels for a perfect fit on your rim.Compatible with carbon and alloy wheels.