The KMC Chain Aid is the ultimate chain tool featuring five different tools in one sleek & portable style. The main role of the Chain Aid is as a chain latch which is accurate & incredibly simple to attach. It firmly hooks on to the chain its safe to disassemble & avoids dislocation. A clean & tidy solution for repairing chain drop. It also acts as a convenient Missing Link holder. A special groove embedded into the Chain Aid matches the shape of a Missing Link to keep the links secure & safe when youre out riding. On one half of the tool there is a specially designed heart shaped cut out this can be used as a valve core tool. Two Presta sizes are catered for (4mm & 5mm) & it provides an easy & safe solution for the removal & installation of valve core removal. Finally the Chain Aid can be used as a tyre lever with a spoke hook on one side & a specifally designed tyre hook on the oppposite end to help lever the tyre off the rim. Mutli-Function Chain Aid Chain Latch Repair Chain Drop Tyre Lever Valve Core Tool Missing Link Storage