ROTOR BCD 100x4 and INspider® MTB chainrings make your bike look perfect in combination with ROTOR KAPIC®, both in aluminum and carbon.
 
These chainrings incorporate Universal Tooth technology, which guarantees compatibility with 1x12 and 1x11 Shimano® and SRAM® chains, offering perfect chain engagement, optimum retention and low friction, while keeping the weight of the assembly very low.