Promax presents this amazing 4-bolt chainring in sleek black. Crafted from high - end 6061 - T6 series aluminum, it's not only strong but also lightweight. Ideal for modern BMX racing, it can handle the torque and stress like a pro. It can also be used in other single - speed applications. This chainring is CNC machined, ensuring high precision. It fits most cranksets and spiders that use a 4 - bolt 104 BCD chainring. Technical specs include a single - ring position, 41 teeth, a round shape, and a single - speed drivetrain of 3/32'.

Using this Promax chainring is easy. First, make sure your crankset or spider is compatible with a 4 - bolt 104 BCD chainring. Then, simply attach the chainring to it. When riding, this chainring can handle the tough demands of BMX racing. As for maintenance, keep it clean. After each ride, especially if it gets dirty or wet, wipe it down with a clean cloth. You can also use a mild cleaner to remove stubborn dirt. Avoid using harsh chemicals as they may damage the aluminum. Check the bolts regularly to make sure they are tight, as loose bolts can cause problems during your ride.