CLARKS Quick Release Bike 5/8 V (X2)Links & Accessories. Easy to install these quick links will allow the chain to be removed and refitted without the need for chain rivet extractors. Designed to be compatible with all major gearing systems the Clarks quick link will not impede the operation of a cycle’s drivechain. Compatible with the major gearing systemsExtremely durableEasy fittingLight yet super rigid giving maximum efficiencyRe-usable