The MCS USA 4-Bolt pattern chaingring 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!!!
Material: CNC machined 6061-T Aluminum
Size: Available from 37T to 47T
Color: Available in Black, Blue and Red
Weight: 67.2 Grams / 2.37 Ounces (38T)
82.7 Grams / 2.92 Ounces (42T)
116.8 Grams / 4.12 Ounces (47T)