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Rotor Q-Rings 110x4 Asymmetric BCD Inner 39 tooth
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Rotor Q-Rings 110x4 Asymmetric BCD Inner

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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.

B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.

39 tooth

Mfg PartNum: C01-038-22010A-0 

36 tooth

Mfg PartNum: C01-038-25010A-0 

34 tooth

Mfg PartNum: C01-038-27010A-0 

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Reviewed 3/21/2019
by BBB (The 3 B''s)
Cycling Enthusiast
Portland, OR
Overall Rating
So Efficient

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.

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