KRONOS elliptical road chainring 135 spacing, 4 branches 10V-11V 
 
Material used Aluminum 2017 T6
CNC machined (Computerized Numerical Control)
Large chainring Full, Gain of rigidity + small chainring
Adaptation: FSA / Shimano / Sram / Campagnolo / Compact for Stronglight, Shimano and Campagnolo.
3-position pedaling optimization
3 Colors Anodized ( black , blue, red)
Custom Engraving Possible
Guarantee: 2 years