ROTOR Q Rings BCD110x4 42(54&55) 12-11s Inner. Q RINGS BCD110x4 12-11s oval chainrings compatible with all ROTOR cranks using BCD 110x4 spider and INspider power meter in combination with Shimano® 2x12s or 2x11s groupsets.
In addition, these chainrings are also compatible with Shimano® Dura-Ace® FC-R9200-P, FC-R9200, FC-R9100 and Ultegra® FC-R8100, FC-R8000 cranksets, offering fast and precise shifting while keeping weight very low.
Q RINGS oval chainrings allow you to pedal more efficiently, taking advantage of the maximum power of your pedaling and reducing the stress on your knees. Q RINGS offer a healthier pedaling.
Product details
weight
155 g (50/34T) | 124 g (50T) | 31 g (34T)
technologies
OCP Mount
material
Aluminium 7075-T6
mounting
Spider Mount
quantity of teeth
39 teeth
chainring shape
Oval
Ovality
12,5 %
pitch circle diameter
110x4
chain line
Chainline: 43.9 mm (with standard axle) | 46.4 mm (with offset axle) mm