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 albine white