Disclosed is a method of making a load-bearing traction member. According to the method, a composition including a thermoplastic polyurethane and a compound with a plurality of epoxide groups or a compound with a plurality of groups having the formula

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wherein R.sub.1 and R.sub.2 are each groups in a polymer backbone or together form a group having the formula NR.sub.4, wherein R.sub.3 and R.sub.4 each independently represents an organic group, is heated to a fluid state and applied to at least one tension member, and solidified to form a polymer jacket around at least one tension member