Breadcrumb Home 1M50.20 - Bicycle Power - Bicycle Drive Train Code Number: 1M50.20Demo Title: Bicycle Power - Bicycle Drive TrainCondition: ExcellentPrinciple: Power and EfficiencyArea of Study: MechanicsEquipment: Multi-Speed BicycleReferences:John Waite, "Bicycle Chains: How Efficient Are They?", TPT, Vol. 62, #6, Sept. 2024, p. 534.