Description: 【Premium Quality】: Our children's bicycle crankset is made from quality aluminum alloy, ensuring lightweight strength deformation resistance. With dimensions measuring 19.5 cmx12.1 cm/7.68 inchx4.76 inch and crank arm length of 12 cm/4.72 inch, this bicycle sprocket fits perfectly on most bicycles 【Feature】: Please note that it is not driven by a chain, but by a belt. Please ensure the width of the belt is smaller than the width of the sprocket for optimal performance. The pedal thread size is 14mm-9/16 【Replacement】: This kids bike crank set serves as an ideal replacement part for bicycle repairs It is specifically designed to fit children's bicycles, making it a must have for any bike maintenance kit 【High Performance】: The child bicycle crankset offers performance and riding experience while maintaining maximum durability. Its 46T design ensures smooth and efficient pedaling, enhancing your child's biking experience 【Easy Installation】: Our kids' bicycle crankset is designed for easy installation without the need for complex procedures or steps. It fits perfectly on the bike, allowing you to quickly get back to riding Specification: Material: Aluminum Alloy Package Includes: 1 Set Kids Bicycle Crankset Note: Please allow slightly errors 1-2cm differences due to manual measurement.