MCS 38t BMX Chainring - Blue - 104mm 4-bolt - USA Made 150mm and it works with cartridge

and it works with cartridge bearing that have a 10mm ID

We give this warning on all chrome rims and no warranties or returns are accepted due to finish issues

closed end grip that we know and love

1 (ISO 622mm)Bead: WirePressure Rating: 50psiColor: Blue w/ Tan Skinwall

MCS 38t BMX Chainring - Blue - 104mm 4-bolt - USA Made 150mm and it works with cartridgeThe MCS 4 bolt chainring is an all American CNC machined product made of 6061 aluminum. It features an almost perfect round circumference, which will facilitate achieve an even tension of your chain. This chainring has a 104mm BCD, 4 bolt pattern and fits 3 32" chains. MCS chainrings are MADE IN THE USA! Size: 38tColor: Blue