6mm thick, hardened steel square chain with a protective textile sleeve that prevents damage to paint and finishesLightweight and easy to transport - can be stored folded in a bag or alternatively wrapped around the seat postBest for areas with low to medium theft risk or quick stops6mm2`9.3`/85cmKeyBlack6 of 15Not Included6806KUPC/EAN/GTIN: 4003318901690