To provide a chain for a bicycle that allows smooth operation of a chain for a bicycle in changing a gear.SOLUTION: A chain for a bicycle includes a first inner link plate, a second inner link plate, a first outer link plate, a second outer link plate, a bushing, a pin, a metal holding member and a resin member. The bushing includes an inner peripheral surface constituting a bushing hole. The bushing is configured to be inserted through a first inner link hole and a third inner link hole while the chain for a bicycle is assembled. The pin has an outer peripheral surface and is configured to be inserted through a first outer link hole and a third outer link hole and passing through the bushing hole while the chain for a bicycle is assembled. The metal holding member is disposed at either the inner peripheral surface of the bushing or the outer peripheral surface of the pin. The metal holding member includes multiple holding holes. The resin member is disposed in the multiple holding holes.SELECTED DRAWING: Figure 10
自転車用チェーン
2023-08-23
Patent
Electronic Resource
Japanese