Most manufacturers are making IHC forks these days but a lot of riders want to run HIC compression on, let's say, an Envy Prodigy Pro Scooter, which comes stock with IHC compression. When you want to convert to HIC compressino, you need an Envy IHC to HIC Conversion Kit to convert your current IHC setup to HIC. If you are converting from IHC to HIC, you need to make sure that you have 2 things in addition to the IHC to HIC conversion kit. First, you will need oversized steel bars with a slit (no aluminum bars, which have a standard inner diameter, not an oversized inner diameter. Second, you will need an oversized double clamp. With the IHC to HIC conversion kit, oversized inner diameter bars with a slit, and an oversized double clamp, you're ready to convert your whip to HIC compression!Made from 6 series aluminum No more cutting your bars to convert to SCS compatible with any STANDARD BAR WITH A SLIT Simply install bar adapter in the bottom of the bars Difficult to remove once installed in bars Available colors: BLACK