Wear: Pulley(s) / Belt See PROBLEMS - chain (-blade) / pulleys and belts: - 'Pulley(s) / belt(s) worn'- 'Broken belt / has lost teeth' Updated on July 10, 2026 Was this article helpful? Yes No Related Articles Wear: Chainring / Bottom Bracket (Spare Parts) Wear: chain / chainring / cassette / rear derailleur Cost comparison / life expectancy / care & maintenance