▎ 摘　　要

NOVELTY - Composition (c1) comprises more than 65 wt.% wax and 0.005-10 wt.% graphene. USE - The composition is useful for covering bicycle or motorbike chains and protecting them from dirt (all claimed), and which are used for cycling using mountain bikes or all terrain bikes. ADVANTAGE - The composition: is less brittle or reduces bicycle or motorbike chain lengthening, preferably in off-road environments with high dirt and water levels e.g. during mountain biking or off-road biking; and extends the life of bicycle and motorbike chains. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for: (1) protecting a bicycle or motorbike chain from dirt by submerging the chain in a molten composition comprising the composition (c1); (2) riding using a mountain bike or motorbike with a chain by first submerging the chain in the composition (c1) and subsequently riding in an off-road environment; and (3) preparing the composition (c1), comprising melting the wax and subsequently stirring in the graphene.