Innovative chain retention hook locks tool onto cassette, ensuring full chain wrap and eliminating slippage Tool geometry offers maximum effective leverage and compact 270mm length Compatible with all multi-gear cassettes including 12-Speed. Chain retention hook fits cogs up to 18 teeth Integrated fixed gear lockring wrench optimized for 41-42mm OD lockrings Chain whip 225g Black/Yellow 6451310UPC/EAN/GTIN: 790983296773