Rotor Q-Rings' 110x4 Asymmetric BCD Inner Rotor is features black anodized laser etched aluminum. It's compatible with Aldhu 3D+ cranks and 4-bolt Shimano cranks. When mounted to Rotor's Aldhu 3D+ spider, they can be adjusted in 1-degree increments. When mounted to Shimano cranks, they are set to the intermediate position OCP #3 - the most commonly used position.
