Description 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.
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So Efficient
by BBB (The 3 B''s)
Cycling Enthusiast
Portland, OR
I'm going to recommend Road Oval rings (at least inner) to any who will listen. Already in use on my MTB's, so smooth and efficient when climbing. Noticeable difference.
Reviewed 3/21/2019
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