Features: 1.Material:Made of high-quality plastic materials. 2.Inner hole spacing: 10 cm, outer hole spacing: 11 cm. 3.Suitable for most bicycle chains with 42-44 teeth. 4 This chain guard is designed to protect the bicycle chain from scratches and abrasions, thereby prolonging its service life. 5.The circular design can produce greater traction, reduce leg or knee fatigue, and ensure stable riding. 6.Installation:Put the protective cover on the bicycle crank and tighten the screws. Package Included: bicycle chain guard ring*1 screws*4 .
