ROTOR Q-XL Aero 53T Kettenblatt, 4-Arm, BCD 110mm Naben when you want it

when you want it

Compatibility: e

Intended Use: MTB (E-Bike version)

without chainrings

Compatible with Hollowtech II bottom brackets

ROTOR Q-XL Aero 53T Kettenblatt, 4-Arm, BCD 110mm Naben when you want itROTOR Q XL chainrings are extremely oval with an ovality of 16% compared to standard Q Rings, which "only" have an ovality of 10%. This allows for a very efficient circular pedal stroke, as the "dead spot" of the pedaling motion can be optimally overcome. ROTOR advertises 9. 1% less lactate and 4. 1% more power with oval chainrings. "Increase your Cycling Performance Upgrade yourself!" Specification: 16% ovality Suitable for cranks with 4 hole mount