ROTOR Qring 42t 110/5 BCD Black Inner Oval Bike Accessories Brand_NinetyK 6 seconds compared to round

6 seconds compared to round chainrings

Mesh back panelling enhances breathability

2mm seatpost diameter

These shoes have been built with extreme precision

ROTOR Qring 42t 110/5 BCD Black Inner Oval Bike Accessories Brand_NinetyK 6 seconds compared to roundQ Rings are designed to take greater advantage of maximum power effort while lessening the time spent in the dead spots of a pedal rotation. Subtle but efficient 10% ovality and compatible with variety of BCDs and cranks, Q Rings also offer 5 Optimum Chainring Positions (OCP) to fine tune your improved riding experience and go further and faster with less fatigue. 10% Ovality 5 OCP settings 100% CNC, T6, 7075 Aluminum