4-Arm asymmetrical

ROTOR 110×4 Round Aero Chainrings for ShimanoThe all-new ROTOR 110×4 Round Aero Chainrings for Shimano give you the benefits of stiff chainrings in a neat, clean-shifting, aerodynamic package. Finished with a gloss black powder coat, the rings are machine CNC’d from aeronautic-grade 7055 aluminum.The ROTOR Round Aero Chainrings for Shimano are compatible with 110×4 road cranksets, and have been updated to be compatible with Shimano 12-speed 8100 and 9200. They also fit ROTOR modular cranks and power meters when used with the ROTOR 110×4 Spider. For peak aerodynamics and aesthetics, we recommend using these rings with the ROTOR Aero Crown. Important Notes:1. ROTOR Road Chainring Bolts are required for use with Shimano cranksets.2. The ROTOR 110x4 Spider is required for use with the ROTOR 2INpower and INpower DM power meter or the ALDHU and VEGAST crankset. It is not required for use with Shimano and other 110×4 cranksets. CompatibilityCrankset: Without ALDHU Spider: Compatible with most 110x4 power meters and cranksets including both 11- and 12-speed Shimano road cranksetsCrankset: With ALDHU Spider: Compatible with ROTOR’s 2INpower and INpower DM power meters as well as ALDHU and VEGAST cranksetsChain: Compatible with 9-, 10-, 11-speed groupsets. Also works with 12-speed Shimano and 13-speed ROTOR groupsets. Not compatible with SRAM AXS 12-speed groupsDoes not fit 4iiii, Stages and Shimano dual-sided power meter cranksets SpecsColor: Black anodizedBCD: 110x4 asymmetric100% CNC-machined, 7075 aluminum alloyOCP Mount technology: Fine adjustment for OCP positions (when used with ALDHU Spider) 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.