KRONOS Spacing 135 Track Chainring 
 
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
Custom Engraving Possible
Guarantee: 2 years