Litepro Bicycle Floding Road Bike Crankset 130BCD Single-Speed Chainring Crank Crank description: Brand: Litepro Material: AL6061 Aluminum alloy Arm Length: 170mm BCD: 130mm Spindle Interface: Square hole Weight: about 525g Chainring description: Material: CNC AL7075 Alumium alloy Narrow & Wide teeth chainring/Single speed Color: black BCD:130mm Teeth: 50T 52T 54T 56T 58T Weight: 85/88/92/98/103g Diameter: 208/216/224/231/242mm Compatible chain speed: 9/10/11 speed Full CNC made narrow-wide chainring for single ring.
eBay