This is a small part of theTHB001 Hub Service Tool (2013 or newer) which is compatible with all Chris King hubs except the R45. These red anodized LD Guide Bushings are specifically designed to work in conjunction with the Chris King LD front hubshells.

These parts are also available in the THB020-021 Hub Service Tool LD Upgrade Kit. This kit includes the THB020 Large Split Ring which allows users to remove the bearings in the Chris King LD (15mmLD and 20mm) front hubs.