The world-famous chainring used by Olympic and World Championship medalists. Stiffer than any other track chainring, and most reliable, smooth, straight chainring. S-cubic coating (S3)
P.C.D. : 144mm
Chain Size : 1/2"x1/8"
Chainring Size : 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58
Color : S3 GOLD*
*S-cubic coating (S3) is smooth and shiny combines high hardness with low friction coeffcient can minimize the chain driving resistance and achieve more effective power transmission, will offer amazing performances at track races wherein the winner is often decided by hundredths of a second. The friction resistance is less than half that of the titanium coating.
The name ZEN comes from Japanese "禅". The use of ZEN meditation will reduce stress and increase the power of concentration through emptying the mind of thoughts, which gives you significant performance gain. We named it ZEN in the hope that it will help you to obtain results you desire.
*Please note that large chainrings may touch the chain stay.