The SINZ 38T 110 BCD 5-Bolt Chainring in black is a vintage-inspired alloy chainring designed for BMX and road bikes. Made of lightweight aluminum, this chainring weighs 55g and features a 5-arm mounting type for secure installation. With 38 teeth and a 110mm distance between bolt holes, this chainring is durable and efficient for both BMX racing and leisurely rides. The set includes all the necessary chainring bolts for easy assembly.