Road chainrings 53T Aluminum Alloy Steel Sprocket 130BCD 5

Features:Adopts aluminum alloy CNC cutting to ensure the accuracy of product use.Material is aluminum alloy hardness is much higher than the original steel chain wheel strong and practical.Can be used with many accessories for mountain bikes and can be combined with a variety of configuration optionsWide Hollow Design Ultralight.Specifications:Mateiral: AlloyType: 130BCD 5 claw 53T Alloy LB01Package weight: 157g / 5.5ouncePackage size: 240 * 240 * 20mm / 9.4 * 9.4 * 0.8inPacking List:1 * Bicycle Chain