Rotor Q Ring Q39T 53 Bcd110X4 Inner Black chain ring Body Battery Energy Monitoring

Body Battery Energy Monitoring

Material: Insulated polyester blend

Up to 10 Days of Battery Life in Smartwatch Mode

Derailleur Compatibility: FD: 2s Yaw

300 Lumen Daytime Safety Light: 3 LEDs with OptiCube

Rotor Q Ring Q39T 53 Bcd110X4 Inner Black chain ring Body Battery Energy MonitoringFeatures Inner oval chainring designed for improved pedaling efficiency and reduced muscle fatigue. BCD 110x4 pattern offers compatibility with modern 4 bolt cranksets. Optimized for use with 53T outer chainrings for smooth shifting performance. Black anodized finish ensures durability and a sleek appearance. Specifications Teeth: 39T BCD: 110x4 Position: Inner Color: Black