New Rotor Q Ring. Outer Ring 52T. Latest model. For all Shimano Crank Size 110x4Arm. Q RINGS BCD110X4 12-11S ROTOR Q Rings BCD110x4 12-11s. 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. Compatible Groupsets Shimano 2x11s, Shimano 2x12s, Sram 2x11s BRAND ROTOR Speeds 11s, 12s Chainring Shape Oval Chainring Type Inner, Outer Compatible Crankset Brand ROTOR, Shimano Compatible Crankset Model 105 R5800, 105 R7000, 2INpower, ALDHU, ALDHU Carbon, ALDHU24, Dura-Ace R9000, Dura-Ace R9100, INpower, INspider, Ultegra R6800, Ultegra R8000, VEGAST, VEGAST24 Number of chainrings 2X BCD 110x4 Discipline Cyclocross, Gravel, Road, Triathlon NEW ALDHU 4 BOLT Q RINGS , they also fit DuraAce 9100, Ultegra R8000 Shimano cranks 110 BCD available from Velotech Services. All ROTOR Q-Rings are purchased as single rings, allowing you to pair them up as desired. However we recommend the following pairings for 110 BCD Shimano 4 bolt: 50/34, 52/36, 53/39. ROTOR Q-Ring chainrings for the Aldhu modular crank system in two versions. This can either bolt to the Aldhu 110x4bcd spider or Shimano-compatible 110x4 cranks, 9100 and R8000 series. When you combine these rings with the Aldhu spider, you can dial the rings into OCP (Optimal Chainring Position) #1-5. If you combine these rings with a Shimano or Shimano-compatible spider, you’re locked into OCP #3, This position is the most commony used OCP, applicable to over 90% of riders. ROTOR Q-rings for Aldhu cranks and Shimano 9000 R8000 chainrings available from Velotech Services Free pos w.m. Sabah sarawak add Rm15. More details pls see picture. If my phone off,pls email me,maybe I oversea.thanks. My shop at teluk intan,perak.area around super market TF. Email:edwind38001@hotmail.com Tel:012-572 9321