Features:1. Made of premium 7075 aluminum alloy, which is lightweight, adding no heaviness to bike.2. High strength and deformation resistance, durable for long time use.3. Standard teeth design, which ensures ultimate chain retention, increases wear life, and reduces friction and noise.4. Easy to install and fits perfectly the 104mm bolt pattern, 32, 34, 36, 38 teeth for choosing.5. An great replacement for bike repair.Specification:Material: 7075 Aluminum AlloyColor: Black, Red (optional)specificationBCD104Teeth: 32, 34, 36, 38 (optional) Weight: Approx. 50-73gPackage Included:1 x Bike Chain Ring OnlyNote:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. .