MCS Chainring-4-Bolt

The MCS Chainring-4-Bolt at J&R Bicycles is made from CNC machined aluminum alloy to keep it durable without weighing much while providing consistent tension. Designed with a nearly perfect circle of circumference, the MCS Chainring is able to deliver nice even tension on your chain for a smooth ride. And it is made in the USA.

SPECIFICATIONS

• Material: CNC machined 6061-T Aluminum
• Size: Available from 37T to 47T
• Weight (each sold separately): 
  • 67.2 Grams / 2.37 Ounces (38T)
  • 82.7 Grams / 2.92 Ounces (42T)
  • 16.8 Grams / 4.12 Ounces (47T)