Avian 4 Bolt Chainring

A four bolt chainring from Avian, CNC machined from aluminium and finished in anodised blue with laser etched Avian logos. It is available from 36T right through to 50T, so you can set your gearing where you want it.

Cutouts change with the size: 40T and smaller run four cutouts, while 41T and larger run eight. Check your crank takes a four bolt ring before ordering.