Features 1、Sturdy Material: Made of high strength aluminum alloy, this kids cycle crankset is lightweight yet robust, ensuring high strength and hardness, ensuring long term usage. 2、Hollow Integrated: The hollow design in the crank arm helps reduce weight and improve riding efficiency. This feature makes it easier for kids to ride their bicycles. 3、Drop Resistant: The crankset features a positive and negative teeth design that effectively prevents the chain from falling out, ensuring smoother traction force and enhancing the comfort of cycling. 4、Versatile Use: The chainring crank set adheres to BCD104mm standard and is suitable for most kids cycles. Its easy to install feature also makes it convenient for use. 5、Enhanced Efficiency: With the 34T design, this crank arm set offers the appropriate number of teeth for kids' everyday cycling needs, enjoying the best of comfort and efficiency. Item Type: Kids Cycle Crankset Material: Aluminum alloy Size: Positive Negative Teeth, BCD104mm Teeth: 34T Axes Diameter: Approx. 24mm / 0.94in Compatibility: For 8-12 Speed Bottom Bracket: BB68 Threaded Bottom Bracket Package List 1 x Chainring 1 x Bottom Bracket 1 x Crank 2 x Accessories