Black, Bike Parts, Chainrings.The ROTOR Q-Rings 4B 110 BCD Inner Chainring Black is a must-have component for avid bikers seeking to upgrade their performance. Made of high-quality materials, this chainring is designed with precision to deliver consistent power transfer and smoother pedaling. With a unique oval shape, the Q-rings 4B 110 BCD Inner Chainring reduces the stress on your knees, providing a more comfortable and efficient ride. This black chainring is compatible with various bikes and is a perfect replacement part for worn-out chainrings. Shop with confidence and upgrade your riding experience with the ROTOR Q-Rings 4B 110 BCD Inner Chainring.