Sigma HIC Compression Kit 70 mmStrong compression kit for oversized bars or to convert a standard fork to fit an oversized bar. 70 mmlong to fit the Sigma fork.Compression type: HICSpecifications:Compression type: HICLength: 2 ¾” (70mm)M6 x 30 mm compression bolt with loc-titeTopcap.Mini spring, keeps the compression bolt tighter.