Check the listing for details. ROTOR 110×4 1x Chainring - Round. Color: Black Anodized, Condition: New. Listed at 145.00 USD. ROTOR 110×4 1x Chainring - RoundThe ROTOR 110×4 1x Chainring is stiff and lightweight. This chainring is available in both round and oval and comes in a variety of chainring sizes, making it extremely versatile.This chainring is compatible with most Shimano road cranksets (please see Compatibility tab for details) as well as with ROTOR modular cranks and power meters. This includes the 2INpower, INpower, INspider, ALHDU, and VEGAST cranksets. Using ROTOR’s Universal Tooth Profile, these chainrings are compatible with 9, 10, 11, and 12-speed groupsets. This includes ROTOR 12 and 13-speed groupsets.The direct mount spider, required for use with ROTOR cranks, features a spline interface that mounts directly to the axle. The spider also includes refined OCP Mount technology so you can adjust your chainring position in one-degree increments. OptionsThe chainring is available in the following chainring sizes:Size: 40 | 42 | 44 | 46 | 48 | 50 | 52 | 54The ROTOR ALDHU Direct Mount Spider is required for use with the 2INpower, INpower, ALDHU or VEGAST cranksets (not required for use with the INspider). CompatibilityCrankset: Without ALDHU Spider: Compatible with most 110x4 power meters and cranksets (does not fit Shimano 12-speed cranks such as R7100, R8100 and R9200)Crankset: With ALDHU Spider: Compatible with ROTOR’s 2INpower and INpower DM power meters as well as ALDHU and VEGAST cranksetsChain: These chainrings work with 9, 10, 11 and 12-speed groupsets, including Shimano 12-speed and SRAM AXS. It is also compatible with ROTOR 12 and 13 speed groupsets and KMC chains.Not compatible with Campagnolo 13-speed groupsets.Not compatible with Stages drive side power meters SpecsColor: Black anodizedBCD: 110x4 asymmetric100% CNC-machined, 7075 aluminum alloyOCP Mount technology: Fine adjustment for OCP positions Why Buy from Power Meter City1. We ship fast! All orders ship on the same day your order is placed!2. Free shipping on all orders in the U.S.3. We are an authorized ROTOR dealer and this product comes with a full warranty.4. Expert advice and customer service in case you need any help.5. We offer a free, 30-day return policy on new items. About our CompanyAt Power Meter City, we focus on power meters and related accessories and components. Our focus on these products means we can offer you the best possible selection, advice and service.We have been in business since 2016 and are based in southern California. We are an authorized dealer of every product we sell.