Rotor Q Ring 12/11 BCD110 42T Inner Chainring (For 54/55T)

THE ROTOR Q-RING OVAL INNER CHAINRING
Q RINGS oval inner chainrings compatible with all ROTOR cranks using BCD 110×4 spider or INspider power meter.
1In addition, these chainrings are also compatible with Shimano® Dura-Ace® FC-9200/9100 and Ultegra® FC-8100/8000 cranks, offering fast and precise shifting while maintaining a very low weight.
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.

Features:
BCD: 110×4
Ovality: 12.5 %
Chainline: 43.5 mm (using standard axle), 46 mm (using offset axle)
Material: 7075-T6 aluminum alloy 100% CNC-machined
Cranks compatible: All ROTOR cranks using spider BCD 110×4. All ROTOR cranks using INspider power meter. Shimano® Ultegra® FC-8100, Shimano® Ultegra® FC-8000, Shimano® Dura-Ace® FC-9100, Shimano® Dura-Ace® FC-9200.
Groupsets compatible: Shimano® 11s & 12s
Chains compatible: 11s / 12s chains

*34T model pictured