The MCS 4-Bolt pattern chainring is an all American cnc machined product made of 6061-T aluminum. It features an almost perfect round circumference, which will facilitate achieve an even tension of your chain. 104mm hole pattern.

MADE IN THE USA!!!

SPECIFICATIONS:
Material: CNC machined 6061-T Aluminum
Weight:  67.2 Grams / 2.37 Ounces (38T)
               82.7 Grams / 2.92 Ounces (42T)
             116.8 Grams / 4.12 Ounces (47T)