The s series fk15 fork form district is a forged aluminium fork compatible with a wheel size of anything from 100mm upto 115mm including the new radix 30mm wheels with a closed fork leg construction giving this ihc fork a awesome robust looksuitable for ihc compression setupsforged aluminium constructionsuitable for 100mm110mm115mm or radix wheelsforktube length 180 155mm71 61weight 310g068lbscolour rook greycan be used for hic with the following shim click here