New ‘QXL’ profile with increased ovalisation
All ROTOR QXL Rings are purchased as single rings, allowing you to pair them up as desired. However we recommend the following pairings for 110 BCD: 50/36, 52/36, 53/38.
For Shimano 4 bolt rings we recommend: 52/36, 53/38, 54/44.
All ‘QXL’ chainrings come with our special front derailleur extension kit. For details on fitting the rings, please watch the following video: