Mountain Bike 104BCD Gear Disc 52T 104mm Aluminum Alloy Mountain Bike Tooth Disc Chainring Negative Chainrings

Standard Tooth Design: The standard tooth design ensures optimal chain retention, extended life, reduced friction and noise, and improved grip. 104mm BCD Size: 104mm BCD size, more compact and simpler, also greatly improves the speed, more convenient for your use. Safe Travel: 104BCD chainring cancels gear shifting, reducing the driver s energy when shifting gears, allowing the driver to concentration more on riding. Item Type: 104BCD Gear Disc 52T Material: Aluminum Alloy BCD: Approx. 104mm Celsius 4.1in